PUR2-2381: Fixes for compatibility with symfony7, php8 (#17)

* PUR2-2381: Fixes for compatibility with symfony7, php8

* PUR2-2381: Fixes for compatibility with symfony7, php8

* PUR2-2381: Fixes for compatibility with symfony7, php8

* PUR2-2381: Fixes for compatibility with symfony7, php8

* PUR2-2381: Fixes for compatibility with symfony7, php8

* PUR2-2381: Fixes for compatibility with symfony7, php8

Update symfony 7 (#16)

* Update symfony 7

* Change version constraints

* Remove support for symfony 3.x and 4.x support

* Lower php 8 requirement

* Update gitignore

PUR2-1718: Adding query parameters to resolver. (#15)

Fix Deprecations for php8.0+ (#13)

* Fix reflectionParameter->getClass() deprecation
Fix substr when $v is null deprecation

* Move null filtering to process

Fix deprecation in bundle build (#12)

Fix Swagger generation for array of embedded objects with empty array…

… as default value (#11)

Fix case with _instanceof service definitions (#9)

Symfony 6 support (#10)

* Symfony 6 support

* Symfony 6 support

* Use double instead of single colon separator for routes

* Update tests

* Disable Route Describer for nelmio/api-doc-bundle v4+

* OpenApi Endpoints Describer

* * Update README
* Add symfony/routing (Symfony 4.1: Deprecated the bundle notation)

* Add GitHub Actions

* Update dependencies
Update workflow

* Keep only OpenApi\Annotations\OpenApi describer even if EXSyst\Component\Swagger\Swagger installed

* Fix Warning: Attempt to read property "schemas" on string

Throw BadRequestHttpException in case of deserialization exceptions (#8)

Remove the `auto1.route_describers.route_metadata` definition (#7)