minor #33595 [HttpClient] Add .gitignore file (ValentineBoineau)
minor #33595 [HttpClient] Add .gitignore file (ValentineBoineau)

This PR was merged into the 4.3 branch.

Discussion
----------

[HttpClient] Add .gitignore file

| Q             | A
| ------------- | ---
| Branch?       | 4.3
| Bug fix?      | no
| New feature?  | no
| Deprecations? | no
| Tickets       |
| License       | MIT
| Doc PR        |

Commits
-------

a2868f12a6 [HttpClient] Add .gitignore file

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