gnupg2: add update notes
gnupg2: add update notes

Closes #47882.

royhodgman/homebrew,getgauge/homebrew,redpen-cc/homebrew,adamliter/homebrew,retrography/homebrew,slyphon/homebrew,hanxue/homebrew,booi/homebrew,marcwebbie/homebrew,Asuranceturix/homebrew,cprecioso/homebrew,dgageot/homebrew,tutumcloud/homebrew,jamer/homebrew,DoomHammer/linuxbrew,kenips/homebrew,teslamint/homebrew,ralic/homebrew,Red54/homebrew,lrascao/homebrew,ralic/homebrew,pcottle/homebrew,princeofdarkness76/homebrew,emcrisostomo/homebrew,gawbul/homebrew,dunn/homebrew,iandennismiller/homebrew,youtux/homebrew,dericed/homebrew,mkrapp/homebrew,josa42/homebrew,apjanke/homebrew,bigbes/homebrew,MartinDelille/homebrew,SuperNEMO-DBD/cadfaelbrew,Red54/homebrew,jarrettmeyer/homebrew,hongkongkiwi/homebrew,yazuuchi/homebrew,jarrettmeyer/homebrew,mactkg/homebrew,drbenmorgan/linuxbrew,benjaminfrank/homebrew,cosmo0920/homebrew,ralic/homebrew,dgageot/homebrew,knpwrs/homebrew,dongcarl/homebrew,marcwebbie/homebrew,drbenmorgan/linuxbrew,Angeldude/linuxbrew,3van/homebrew,thinker0/homebrew,totalvoidness/homebrew,elgertam/homebrew,ybott/homebrew,osimola/homebrew,brunchboy/homebrew,tschoonj/homebrew,sjackman/linuxbrew,chadcatlett/homebrew,bigbes/homebrew,apjanke/homebrew,optikfluffel/homebrew,sakra/homebrew,dutchcoders/homebrew,alebcay/homebrew,influxdata/homebrew,dplarson/homebrew,drewwells/homebrew,treyharris/homebrew,AlexejK/homebrew,josa42/homebrew,MoSal/homebrew,Homebrew/linuxbrew,muellermartin/homebrew,georgschoelly/homebrew,recruit-tech/homebrew,pdxdan/homebrew,pcottle/homebrew,cosmo0920/homebrew,Asuranceturix/homebrew,utzig/homebrew,adamliter/homebrew,utzig/homebrew,zchee/homebrew,OJFord/homebrew,jconley/homebrew,TaylorMonacelli/homebrew,chadcatlett/homebrew,Angeldude/linuxbrew,royhodgman/homebrew,Linuxbrew/linuxbrew,keith/homebrew,influxdata/homebrew,drbenmorgan/linuxbrew,menivaitsi/homebrew,cscetbon/homebrew,ear/homebrew,SuperNEMO-DBD/cadfaelbrew,liamstask/homebrew,cscetbon/homebrew,cosmo0920/homebrew,reelsense/linuxbrew,esamson/homebrew,ExtremeMan/homebrew,Chilledheart/homebrew,Homebrew/linuxbrew,bigbes/homebrew,teslamint/homebrew,michaKFromParis/homebrew-sparks,vigo/homebrew,drbenmorgan/linuxbrew,zchee/homebrew,deorth/homebrew,Angeldude/linuxbrew,pdxdan/homebrew,dongcarl/homebrew,liamstask/homebrew,youtux/homebrew,osimola/homebrew,josa42/homebrew,theeternalsw0rd/homebrew,liamstask/homebrew,getgauge/homebrew,Homebrew/homebrew,totalvoidness/homebrew,deorth/homebrew,iandennismiller/homebrew,dericed/homebrew,bukzor/linuxbrew,ento/homebrew,quantumsteve/homebrew,sjackman/linuxbrew,dplarson/homebrew,quantumsteve/homebrew,kenips/homebrew,keith/homebrew,reelsense/homebrew,Angeldude/linuxbrew,jconley/homebrew,youtux/homebrew,sakra/homebrew,yumitsu/homebrew,dunn/homebrew,3van/homebrew,redpen-cc/homebrew,dplarson/homebrew,thinker0/homebrew,hanxue/homebrew,influxdb/homebrew,polishgeeks/homebrew,miketheman/homebrew,cprecioso/homebrew,sjackman/linuxbrew,BrewTestBot/homebrew,tutumcloud/homebrew,eighthave/homebrew,SuperNEMO-DBD/cadfaelbrew,dalanmiller/homebrew,afh/homebrew,quantumsteve/homebrew,osimola/homebrew,princeofdarkness76/homebrew,elgertam/homebrew,booi/homebrew,vigo/homebrew,hongkongkiwi/homebrew,treyharris/homebrew,sferik/homebrew,SteveClement/homebrew,eighthave/homebrew,getgauge/homebrew,ilovezfs/homebrew,ento/homebrew,decors/homebrew,Homebrew/linuxbrew,keith/homebrew,knpwrs/homebrew,pdxdan/homebrew,scorphus/homebrew,tschoonj/homebrew,zchee/homebrew,drewwells/homebrew,mactkg/homebrew,mmizutani/homebrew,influxdata/homebrew,johanhammar/homebrew,lrascao/homebrew,danieroux/homebrew,recruit-tech/homebrew,jsjohnst/homebrew,influxdb/homebrew,teslamint/homebrew,ear/homebrew,optikfluffel/homebrew,base10/homebrew,alebcay/homebrew,ear/homebrew,kodabb/homebrew,BrewTestBot/homebrew,deorth/homebrew,youtux/homebrew,mkrapp/homebrew,dalanmiller/homebrew,iostat/homebrew2,gnubila-france/linuxbrew,filcab/homebrew,sferik/homebrew,Homebrew/linuxbrew,SteveClement/homebrew,galaxy001/homebrew,retrography/homebrew,feelpp/homebrew,dickeyxxx/homebrew,haihappen/homebrew,jconley/homebrew,elyscape/homebrew,OJFord/homebrew,retrography/homebrew,hanxue/homebrew,ablyler/homebrew,muellermartin/homebrew,LinusU/homebrew,kevinastone/homebrew,iostat/homebrew2,ebouaziz/linuxbrew,brunchboy/homebrew,Homebrew/homebrew,esamson/homebrew,miketheman/homebrew,tutumcloud/homebrew,Linuxbrew/linuxbrew,mactkg/homebrew,elgertam/homebrew,adamliter/homebrew,quantumsteve/homebrew,skinny-framework/homebrew,frodeaa/homebrew,thinker0/homebrew,drewwells/homebrew,SteveClement/homebrew,chadcatlett/homebrew,Chilledheart/homebrew,optikfluffel/homebrew,georgschoelly/homebrew,ryanfb/homebrew,reelsense/homebrew,ebouaziz/linuxbrew,dongcarl/homebrew,ExtremeMan/homebrew,slyphon/homebrew,polishgeeks/homebrew,afh/homebrew,joshfriend/homebrew,sometimesfood/homebrew,gawbul/homebrew,hakamadare/homebrew,MoSal/homebrew,tschoonj/homebrew,thinker0/homebrew,MoSal/homebrew,ExtremeMan/homebrew,reelsense/homebrew,hongkongkiwi/homebrew,filcab/homebrew,hanxue/homebrew,georgschoelly/homebrew,ablyler/homebrew,brunchboy/homebrew,skatsuta/homebrew,reelsense/linuxbrew,skatsuta/homebrew,ento/homebrew,emcrisostomo/homebrew,getgauge/homebrew,bigbes/homebrew,utzig/homebrew,dutchcoders/homebrew,royhodgman/homebrew,tschoonj/homebrew,Homebrew/homebrew,hakamadare/homebrew,galaxy001/homebrew,zchee/homebrew,recruit-tech/homebrew,dgageot/homebrew,dgageot/homebrew,ybott/homebrew,gicmo/homebrew,benjaminfrank/homebrew,ExtremeMan/homebrew,princeofdarkness76/homebrew,dericed/homebrew,OJFord/homebrew,dickeyxxx/homebrew,hakamadare/homebrew,LinusU/homebrew,keith/homebrew,utzig/homebrew,yazuuchi/homebrew,Linuxbrew/linuxbrew,afh/homebrew,sjackman/linuxbrew,danieroux/homebrew,dalanmiller/homebrew,Asuranceturix/homebrew,sometimesfood/homebrew,jarrettmeyer/homebrew,lrascao/homebrew,SteveClement/homebrew,iandennismiller/homebrew,AlexejK/homebrew,danieroux/homebrew,dongcarl/homebrew,alebcay/homebrew,Red54/homebrew,nandub/homebrew,iandennismiller/homebrew,Asuranceturix/homebrew,yumitsu/homebrew,miketheman/homebrew,scpeters/homebrew,DoomHammer/linuxbrew,filcab/homebrew,totalvoidness/homebrew,filcab/homebrew,pcottle/homebrew,Linuxbrew/linuxbrew,osimola/homebrew,gnubila-france/linuxbrew,ear/homebrew,nandub/homebrew,LinusU/homebrew,jamer/homebrew,theeternalsw0rd/homebrew,brunchboy/homebrew,mobileoverlord/homebrew-1,marcwebbie/homebrew,alebcay/homebrew,esamson/homebrew,haihappen/homebrew,sakra/homebrew,polishgeeks/homebrew,mmizutani/homebrew,yazuuchi/homebrew,elgertam/homebrew,ryanfb/homebrew,esamson/homebrew,ablyler/homebrew,polishgeeks/homebrew,DoomHammer/linuxbrew,johanhammar/homebrew,afh/homebrew,dunn/homebrew,DoomHammer/linuxbrew,pdxdan/homebrew,kodabb/homebrew,apjanke/homebrew,hakamadare/homebrew,Asuranceturix/homebrew,scpeters/homebrew,eighthave/homebrew,liamstask/homebrew,johanhammar/homebrew,saketkc/linuxbrew,dutchcoders/homebrew,menivaitsi/homebrew,kevinastone/homebrew,elyscape/homebrew,BrewTestBot/homebrew,bukzor/linuxbrew,jconley/homebrew,jamer/homebrew,scorphus/homebrew,AlexejK/homebrew,reelsense/linuxbrew,Homebrew/homebrew,adamliter/homebrew,skinny-framework/homebrew,danieroux/homebrew,gnubila-france/linuxbrew,yumitsu/homebrew,ilovezfs/homebrew,saketkc/linuxbrew,optikfluffel/homebrew,dickeyxxx/homebrew,nandub/homebrew,AlexejK/homebrew,ebouaziz/linuxbrew,vigo/homebrew,ebouaziz/linuxbrew,gicmo/homebrew,reelsense/linuxbrew,ablyler/homebrew,decors/homebrew,eighthave/homebrew,treyharris/homebrew,cprecioso/homebrew,scorphus/homebrew,ralic/homebrew,ilovezfs/homebrew,recruit-tech/homebrew,base10/homebrew,sometimesfood/homebrew,mobileoverlord/homebrew-1,haihappen/homebrew,sferik/homebrew,base10/homebrew,muellermartin/homebrew,joshfriend/homebrew,kodabb/homebrew,TaylorMonacelli/homebrew,bukzor/linuxbrew,booi/homebrew,LinusU/homebrew,dickeyxxx/homebrew,ybott/homebrew,gawbul/homebrew,vigo/homebrew,gicmo/homebrew,haihappen/homebrew,elyscape/homebrew,feelpp/homebrew,decors/homebrew,emcrisostomo/homebrew,MoSal/homebrew,michaKFromParis/homebrew-sparks,iostat/homebrew2,benjaminfrank/homebrew,emcrisostomo/homebrew,mactkg/homebrew,kenips/homebrew,MartinDelille/homebrew,SuperNEMO-DBD/cadfaelbrew,Chilledheart/homebrew,yazuuchi/homebrew,mobileoverlord/homebrew-1,scpeters/homebrew,slyphon/homebrew,frodeaa/homebrew,theeternalsw0rd/homebrew,scpeters/homebrew,skinny-framework/homebrew,slyphon/homebrew,ento/homebrew,cscetbon/homebrew,jarrettmeyer/homebrew,sakra/homebrew,3van/homebrew,frodeaa/homebrew,ryanfb/homebrew,elyscape/homebrew,knpwrs/homebrew,apjanke/homebrew,princeofdarkness76/homebrew,johanhammar/homebrew,michaKFromParis/homebrew-sparks,SteveClement/homebrew,redpen-cc/homebrew,TaylorMonacelli/homebrew,dutchcoders/homebrew,dunn/homebrew,Red54/homebrew,dalanmiller/homebrew,skatsuta/homebrew,pcottle/homebrew,OJFord/homebrew,influxdata/homebrew,skinny-framework/homebrew,pcottle/homebrew,kevinastone/homebrew,cprecioso/homebrew,miketheman/homebrew,mmizutani/homebrew,kodabb/homebrew,kenips/homebrew,reelsense/homebrew,sferik/homebrew,knpwrs/homebrew,marcwebbie/homebrew,ybott/homebrew,base10/homebrew,jamer/homebrew,theeternalsw0rd/homebrew,tutumcloud/homebrew,menivaitsi/homebrew,menivaitsi/homebrew,nandub/homebrew,gnubila-france/linuxbrew,redpen-cc/homebrew,royhodgman/homebrew,feelpp/homebrew,scorphus/homebrew,gicmo/homebrew,mkrapp/homebrew,drewwells/homebrew,retrography/homebrew,TaylorMonacelli/homebrew,joshfriend/homebrew,teslamint/homebrew,influxdb/homebrew,galaxy001/homebrew,treyharris/homebrew,jsjohnst/homebrew,hongkongkiwi/homebrew,georgschoelly/homebrew,mmizutani/homebrew,mobileoverlord/homebrew-1,bukzor/linuxbrew,saketkc/linuxbrew,cosmo0920/homebrew,skatsuta/homebrew,ryanfb/homebrew,benjaminfrank/homebrew,jsjohnst/homebrew,decors/homebrew,muellermartin/homebrew,MartinDelille/homebrew,feelpp/homebrew,saketkc/linuxbrew,Chilledheart/homebrew,kevinastone/homebrew,influxdb/homebrew,3van/homebrew,sometimesfood/homebrew,dericed/homebrew,iostat/homebrew2,galaxy001/homebrew,dplarson/homebrew,MartinDelille/homebrew,ilovezfs/homebrew,totalvoidness/homebrew,BrewTestBot/homebrew,frodeaa/homebrew,jsjohnst/homebrew