minor #30535 Fix return type of Request::getRequestFormat (teohhanhui)
minor #30535 Fix return type of Request::getRequestFormat (teohhanhui)

This PR was merged into the 3.4 branch.

Discussion
----------

Fix return type of Request::getRequestFormat

| Q             | A
| ------------- | ---
| Branch?       | 3.4
| Bug fix?      | yes
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | N/A
| License       | MIT
| Doc PR        | N/A

Helps static analysis tools get the correct type.

Commits
-------

bd92349a3e Fix return type of Request::getRequestFormat

chalasr/symfony,OskarStark/symfony,jakzal/symfony,ro0NL/symfony,arjenm/symfony,OskarStark/symfony,Deamon/symfony,teohhanhui/symfony,mweimerskirch/symfony,nicolas-grekas/symfony,curry684/symfony,sgehrig/symfony,andreia/symfony,sgehrig/symfony,ro0NL/symfony,hhamon/symfony,Koc/symfony,Koc/symfony,arjenm/symfony,zorn-v/symfony,mpdude/symfony,docteurklein/symfony,xabbuh/symfony,tgalopin/symfony,1ed/symfony,HeahDude/symfony,mweimerskirch/symfony,chalasr/symfony,alekitto/symfony,oleg-andreyev/symfony,ogizanagi/symfony,curry684/symfony,gonzalovilaseca/symfony,bendavies/symfony,garak/symfony,symfony/symfony,stof/symfony,Simperfit/symfony,tucksaun/symfony,mweimerskirch/symfony,docteurklein/symfony,Slamdunk/symfony,shieldo/symfony,localheinz/symfony,garak/symfony,hhamon/symfony,Nyholm/symfony,ragboyjr/symfony,jakzal/symfony,Koc/symfony,MatTheCat/symfony,bendavies/symfony,jderusse/symfony,MatTheCat/symfony,tucksaun/symfony,kbond/symfony,localheinz/symfony,sroze/symfony,romaricdrigon/symfony,dmaicher/symfony,paradajozsef/symfony,localheinz/symfony,paradajozsef/symfony,localheinz/symfony,hhamon/symfony,alekitto/symfony,jvasseur/symfony,damienalexandre/symfony,ogizanagi/symfony,arjenm/symfony,Simperfit/symfony,vincentaubert/symfony,chalasr/symfony,ragboyjr/symfony,ro0NL/symfony,gonzalovilaseca/symfony,shieldo/symfony,andreia/symfony,1ed/symfony,mnapoli/symfony,mnapoli/symfony,Slamdunk/symfony,joelwurtz/symfony,vincentaubert/symfony,tgalopin/symfony,derrabus/symfony,symfony/symfony,symfony/symfony,voronkovich/symfony,oleg-andreyev/symfony,HeahDude/symfony,voronkovich/symfony,zorn-v/symfony,smatyas/symfony,maidmaid/symfony,alekitto/symfony,bendavies/symfony,mweimerskirch/symfony,lyrixx/symfony,vincentaubert/symfony,zcodes/symfony,tgalopin/symfony,ogizanagi/symfony,dmaicher/symfony,mpdude/symfony,Tobion/symfony,joelwurtz/symfony,ragboyjr/symfony,andreia/symfony,mnapoli/symfony,kbond/symfony,fabpot/symfony,teohhanhui/symfony,pierredup/symfony,pyrech/symfony,HeahDude/symfony,Simperfit/symfony,MatTheCat/symfony,jvasseur/symfony,maidmaid/symfony,phramz/symfony,derrabus/symfony,mnapoli/symfony,romaricdrigon/symfony,1ed/symfony,maidmaid/symfony,smatyas/symfony,sroze/symfony,damienalexandre/symfony,zorn-v/symfony,jakzal/symfony,joelwurtz/symfony,MatTheCat/symfony,arjenm/symfony,gonzalovilaseca/symfony,gonzalovilaseca/symfony,xabbuh/symfony,kbond/symfony,jakzal/symfony,sroze/symfony,1ed/symfony,Taluu/symfony,oleg-andreyev/symfony,hhamon/symfony,ajgarlag/symfony,jderusse/symfony,jderusse/symfony,xabbuh/symfony,smatyas/symfony,Deamon/symfony,pierredup/symfony,derrabus/symfony,ajgarlag/symfony,ajgarlag/symfony,pyrech/symfony,mpdude/symfony,stof/symfony,Simperfit/symfony,pierredup/symfony,sgehrig/symfony,lyrixx/symfony,damienalexandre/symfony,andreia/symfony,fabpot/symfony,romaricdrigon/symfony,vincentaubert/symfony,pyrech/symfony,zorn-v/symfony,ragboyjr/symfony,phramz/symfony,Tobion/symfony,zerkms/symfony,Simperfit/symfony,zerkms/symfony,d-ph/symfony,tucksaun/symfony,ogizanagi/symfony,sroze/symfony,smatyas/symfony,Koc/symfony,zerkms/symfony,phramz/symfony,zcodes/symfony,oleg-andreyev/symfony,docteurklein/symfony,sgehrig/symfony,zerkms/symfony,Nyholm/symfony,kbond/symfony,joelwurtz/symfony,tgalopin/symfony,fabpot/symfony,curry684/symfony,derrabus/symfony,jvasseur/symfony,nicolas-grekas/symfony,mweimerskirch/symfony,dmaicher/symfony,mpdude/symfony,lstrojny/symfony,Nyholm/symfony,paradajozsef/symfony,teohhanhui/symfony,Deamon/symfony,lstrojny/symfony,Tobion/symfony,curry684/symfony,Deamon/symfony,yceruto/symfony,Slamdunk/symfony,bendavies/symfony,gnat42/symfony,gnat42/symfony,paradajozsef/symfony,stof/symfony,maidmaid/symfony,Deamon/symfony,tucksaun/symfony,yceruto/symfony,d-ph/symfony,Taluu/symfony,symfony/symfony,ro0NL/symfony,yceruto/symfony,fabpot/symfony,Taluu/symfony,lyrixx/symfony,damienalexandre/symfony,Tobion/symfony,zcodes/symfony,phramz/symfony,garak/symfony,lstrojny/symfony,d-ph/symfony,chalasr/symfony,garak/symfony,voronkovich/symfony,gnat42/symfony,yceruto/symfony,Slamdunk/symfony,nicolas-grekas/symfony,docteurklein/symfony,HeahDude/symfony,romaricdrigon/symfony,Nyholm/symfony,OskarStark/symfony,lyrixx/symfony,Taluu/symfony,stof/symfony,ajgarlag/symfony,nicolas-grekas/symfony,mnapoli/symfony,pierredup/symfony,xabbuh/symfony,d-ph/symfony,jvasseur/symfony,gnat42/symfony,teohhanhui/symfony,zcodes/symfony,alekitto/symfony,dmaicher/symfony,shieldo/symfony,OskarStark/symfony,voronkovich/symfony,shieldo/symfony,smatyas/symfony,docteurklein/symfony,pyrech/symfony,jderusse/symfony