minor #22507 Fix Framework UPGRADE notice about trusted proxies (sstok)
minor #22507 Fix Framework UPGRADE notice about trusted proxies (sstok)

This PR was squashed before being merged into the 3.3-dev branch (closes #22507).

Discussion
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Fix Framework UPGRADE notice about trusted proxies

| Q             | A
| ------------- | ---
| Branch?       | master
| Bug fix?      | yes
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | #22506
| License       | MIT
| Doc PR        |

The `framework.trusted_proxies` configuration is not really removed (it gives an error) but that's only to help with the upgrade process. So I think mentioning it's removed is enough.

Commits
-------

ae94d01 Fix Framework UPGRADE notice about trusted proxies

voronkovich/symfony,iltar/symfony,localheinz/symfony,Amo/symfony,iltar/symfony,OskarStark/symfony,jakzal/symfony,yceruto/symfony,sgehrig/symfony,andreia/symfony,Triiistan/symfony,dunglas/symfony,pierredup/symfony,hacfi/symfony,weaverryan/symfony,zcodes/symfony,xabbuh/symfony,Deamon/symfony,d-ph/symfony,mnapoli/symfony,lepiaf/symfony,bendavies/symfony,Tobion/symfony,vincentaubert/symfony,e-moe/symfony,gimler/symfony,DavidGarciaCat/symfony,teohhanhui/symfony,symfony/symfony,deguif/symfony,pyrech/symfony,dunglas/symfony,jderusse/symfony,tgalopin/symfony,arjenm/symfony,oleg-andreyev/symfony,jean-gui/symfony,Koc/symfony,sgehrig/symfony,kbond/symfony,phramz/symfony,michaelperrin/symfony,paradajozsef/symfony,ragboyjr/symfony,damienalexandre/symfony,jvasseur/symfony,dmaicher/symfony,aeoris/symfony,Pierstoval/symfony,Triiistan/symfony,dmaicher/symfony,tucksaun/symfony,hhamon/symfony,ragboyjr/symfony,Tobion/symfony,tucksaun/symfony,dunglas/symfony,Koc/symfony,gnat42/symfony,chalasr/symfony,gnat42/symfony,jakzal/symfony,pyrech/symfony,gencer/symfony,gonzalovilaseca/symfony,chalasr/symfony,gencer/symfony,ro0NL/symfony,Strate/symfony,damienalexandre/symfony,ogizanagi/symfony,alekitto/symfony,ajgarlag/symfony,DavidGarciaCat/symfony,pierredup/symfony,Einenlum/symfony,sroze/symfony,Simperfit/symfony,zerkms/symfony,smatyas/symfony,localheinz/symfony,nicolas-grekas/symfony,phramz/symfony,Amo/symfony,okdana/symfony,jzawadzki/symfony,gonzalovilaseca/symfony,lyrixx/symfony,tgalopin/symfony,gencer/symfony,1ed/symfony,nicolas-grekas/symfony,voronkovich/symfony,lepiaf/symfony,lstrojny/symfony,tgalopin/symfony,frankdejonge/symfony,tucksaun/symfony,mpdude/symfony,pyrech/symfony,maidmaid/symfony,mweimerskirch/symfony,Simperfit/symfony,e-moe/symfony,joelwurtz/symfony,yceruto/symfony,alekitto/symfony,mweimerskirch/symfony,Nyholm/symfony,zorn-v/symfony,lyrixx/symfony,hacfi/symfony,Triiistan/symfony,alekitto/symfony,d-ph/symfony,curry684/symfony,phramz/symfony,codeclimate-testing/symfony,sroze/symfony,deguif/symfony,Pierstoval/symfony,fabpot/symfony,Einenlum/symfony,lstrojny/symfony,localheinz/symfony,Tobion/symfony,docteurklein/symfony,ogizanagi/symfony,ajgarlag/symfony,apetitpa/symfony,shieldo/symfony,lstrojny/symfony,c960657/symfony,ajgarlag/symfony,zerkms/symfony,jvasseur/symfony,pamil/symfony,lyrixx/symfony,maidmaid/symfony,mpdude/symfony,damienalexandre/symfony,1ed/symfony,teohhanhui/symfony,weaverryan/symfony,chalasr/symfony,teohhanhui/symfony,gimler/symfony,Aliance/symfony,smatyas/symfony,sroze/symfony,mnapoli/symfony,josephdpurcell/symfony,Slamdunk/symfony,mnapoli/symfony,jean-gui/symfony,hhamon/symfony,shieldo/symfony,gimler/symfony,csarrazi/symfony,arjenm/symfony,Koc/symfony,neemzy/symfony,Aliance/symfony,OskarStark/symfony,hason/symfony,michaelperrin/symfony,kbond/symfony,OskarStark/symfony,WhiteEagle88/symfony,andrerom/symfony,mweimerskirch/symfony,csarrazi/symfony,fabpot/symfony,Pierstoval/symfony,zerkms/symfony,Slamdunk/symfony,Deamon/symfony,Koc/symfony,Einenlum/symfony,Einenlum/symfony,backbone87/symfony,Simperfit/symfony,Tobion/symfony,lyrixx/symfony,codeclimate-testing/symfony,c960657/symfony,Amo/symfony,nasimnabavi/symfony,mnapoli/symfony,e-moe/symfony,oleg-andreyev/symfony,d-ph/symfony,c960657/symfony,c960657/symfony,OskarStark/symfony,tgalopin/symfony,derrabus/symfony,e-moe/symfony,frankdejonge/symfony,xabbuh/symfony,zerkms/symfony,joelwurtz/symfony,joelwurtz/symfony,gnat42/symfony,jzawadzki/symfony,teohhanhui/symfony,garak/symfony,kbond/symfony,Deamon/symfony,d-ph/symfony,ajgarlag/symfony,Taluu/symfony,maidmaid/symfony,damienalexandre/symfony,Pierstoval/symfony,lepiaf/symfony,MatTheCat/symfony,docteurklein/symfony,nasimnabavi/symfony,michaelperrin/symfony,stof/symfony,garak/symfony,jvasseur/symfony,pamil/symfony,romaricdrigon/symfony,docteurklein/symfony,jderusse/symfony,WhiteEagle88/symfony,gonzalovilaseca/symfony,Engerim/symfony,vincentaubert/symfony,jean-gui/symfony,andreia/symfony,1ed/symfony,derrabus/symfony,michaelperrin/symfony,Taluu/symfony,paradajozsef/symfony,neemzy/symfony,apetitpa/symfony,dmaicher/symfony,ragboyjr/symfony,oleg-andreyev/symfony,jvasseur/symfony,bendavies/symfony,chalasr/symfony,sgehrig/symfony,andrerom/symfony,derrabus/symfony,bendavies/symfony,1ed/symfony,nicolas-grekas/symfony,hhamon/symfony,pyrech/symfony,jderusse/symfony,ragboyjr/symfony,Slamdunk/symfony,josephdpurcell/symfony,HeahDude/symfony,xabbuh/symfony,smatyas/symfony,csarrazi/symfony,Engerim/symfony,hason/symfony,iltar/symfony,pierredup/symfony,mweimerskirch/symfony,localheinz/symfony,stof/symfony,andrerom/symfony,okdana/symfony,andreia/symfony,Amo/symfony,MatTheCat/symfony,nasimnabavi/symfony,voronkovich/symfony,arjenm/symfony,shieldo/symfony,gonzalovilaseca/symfony,shieldo/symfony,jakzal/symfony,deguif/symfony,vincentaubert/symfony,deguif/symfony,symfony/symfony,backbone87/symfony,zcodes/symfony,ogizanagi/symfony,smatyas/symfony,phramz/symfony,oleg-andreyev/symfony,apetitpa/symfony,Nyholm/symfony,okdana/symfony,Strate/symfon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