Adds support for Symfony 7.x

[butschster]

No description provided.

[msmakouz]

@butschster Hi, could you fix the conflicts?

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 42.85714% with 4 lines in your changes are missing coverage. Please review.

Project coverage is 82.55%. Comparing base (21f1888) to head (b9e13f2).

Files	Patch %	Lines
src/Config/SerializerConfig.php	42.85%	4 Missing ⚠️

❗ Your organization needs to install the Codecov GitHub app to enable full functionality.

Additional details and impacted files

@@             Coverage Diff              @@
##                2.x      #27      +/-   ##
============================================
- Coverage     84.61%   82.55%   -2.07%     
- Complexity       54       57       +3     
============================================
  Files             7        7              
  Lines           143      149       +6     
============================================
+ Hits            121      123       +2     
- Misses           22       26       +4     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.