[PHP-SYMFONY] Debug for Symfony 7 support & debug enum ref & debug array enum ref & debug date assert

Author: loicconan

modules/openapi-generator/src/main/resources/php-symfony/serialization/dist

@@ -1 +1 @@
-7.1.0-SNAPSHOT
+7.7.0-SNAPSHOT

samples/server/petstore/php-symfony/SymfonyBundle-php/.openapi-generator/VERSION

@@ -4,7 +4,7 @@ This is a sample server Petstore server. For this sample, you can use the api ke
 This [Symfony](https://symfony.com/) bundle is automatically generated by the [OpenAPI Generator](https://openapi-generator.tech) project:
 
 - API version: 1.0.0
-- Generator version: 7.1.0-SNAPSHOT
+- Generator version: 7.7.0-SNAPSHOT
 - Build package: org.openapitools.codegen.languages.PhpSymfonyServerCodegen
 
 ## Requirements