style: [5.x] use @Symfony:risky ruleset

[DjordyKoert]

Description

Please include a summary of the changes and the related issue.

Closes #...

What type of PR is this? (check all applicable)

• Bug Fix
• Feature
• Refactor
• Deprecation
• Breaking Change
• Documentation Update
• CI

Checklist

• I have made corresponding changes to the documentation (docs/)
• I have made corresponding changes to the changelog (CHANGELOG.md)

[codecov]

Codecov Report

Attention: Patch coverage is 86.36364% with 21 lines in your changes missing coverage. Please review.

Project coverage is 95.49%. Comparing base (6217051) to head (8bbe66e).
Report is 1 commits behind head on 5.x.

✅ All tests successful. No failed tests found.

Files with missing lines	Patch %	Lines
src/OpenApiPhp/ModelRegister.php	0.00%	3 Missing ⚠️
src/Processor/MapQueryStringProcessor.php	40.00%	3 Missing ⚠️
src/Processor/MapRequestPayloadProcessor.php	25.00%	3 Missing ⚠️
src/Controller/SwaggerUiController.php	0.00%	2 Missing ⚠️
src/Describer/ApiPlatformDescriber.php	0.00%	2 Missing ⚠️
src/ModelDescriber/ObjectModelDescriber.php	60.00%	2 Missing ⚠️
src/Controller/YamlDocumentationController.php	0.00%	1 Missing ⚠️
src/Describer/OpenApiPhpDescriber.php	66.66%	1 Missing ⚠️
.../Annotations/SymfonyConstraintAnnotationReader.php	50.00%	1 Missing ⚠️
src/ModelDescriber/JMSModelDescriber.php	88.88%	1 Missing ⚠️
... and 2 more

Additional details and impacted files

@@           Coverage Diff           @@
##              5.x    #2397   +/-   ##
=======================================
  Coverage   95.49%   95.49%           
=======================================
  Files          71       71           
  Lines        2577     2577           
=======================================
  Hits         2461     2461           
  Misses        116      116           

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