minor #34367 [Form] Allow symfony/service-contracts v2 (derrabus)
minor #34367 [Form] Allow symfony/service-contracts v2 (derrabus)

This PR was merged into the 4.4 branch.

Discussion
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[Form] Allow symfony/service-contracts v2

| Q             | A
| ------------- | ---
| Branch?       | 4.4
| Bug fix?      | yes
| New feature?  | no
| Deprecations? | no
| Tickets       | N/A
| License       | MIT
| Doc PR        | N/A

In Symfony 4.4 applications, the Form component currently prevents the installation of `symfony/service-contracts` 2.0.0. That should not be the case.

Commits
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4755e160be [Form] Allow symfony/service-contracts v2.

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