doc: Update 3.7.0 release date
doc: Update 3.7.0 release date

PR-URL: https://github.com/npm/npm/pull/11348

Credit: da39a3ee5e6b4b0d3255bfef95601890afd80709@rafek

misterbyrne/npm,cchamberlain/npm,rsp/npm,chadnickbok/npm,lxe/npm,yodeyer/npm,midniteio/npm,Volune/npm,evocateur/npm,TimeToogo/npm,evocateur/npm,lxe/npm,lxe/npm,rsp/npm,Volune/npm,misterbyrne/npm,cchamberlain/npm-msys2,chadnickbok/npm,yodeyer/npm,yodeyer/npm,midniteio/npm,DIREKTSPEED-LTD/npm,cchamberlain/npm-msys2,Volune/npm,cchamberlain/npm,yibn2008/npm,midniteio/npm,DaveEmmerson/npm,xalopp/npm,TimeToogo/npm,misterbyrne/npm,chadnickbok/npm,yibn2008/npm,DIREKTSPEED-LTD/npm,DIREKTSPEED-LTD/npm,DaveEmmerson/npm,yibn2008/npm,xalopp/npm,cchamberlain/npm-msys2,rsp/npm,TimeToogo/npm,xalopp/npm,cchamberlain/npm,DaveEmmerson/npm,evocateur/npm