Merge branch '5.4' into 6.0

* 5.4:
  Allow Symfony 6

Author: derrabus

composer.json

@@ -20,11 +20,11 @@
         "symfony/deprecation-contracts": "^2.1"
     },
     "require-dev": {
-        "symfony/config": "^5.3",
-        "symfony/http-foundation": "^4.4|^5.0",
-        "symfony/yaml": "^4.4|^5.0",
-        "symfony/expression-language": "^4.4|^5.0",
-        "symfony/dependency-injection": "^4.4|^5.0",
+        "symfony/config": "^5.3|^6.0",
+        "symfony/http-foundation": "^4.4|^5.0|^6.0",
+        "symfony/yaml": "^4.4|^5.0|^6.0",
+        "symfony/expression-language": "^4.4|^5.0|^6.0",
+        "symfony/dependency-injection": "^4.4|^5.0|^6.0",
         "doctrine/annotations": "^1.12",
         "psr/log": "~1.0"
     },