Support for Symfony 6.0 (#7)

.github/workflows/ci.yaml

@@ -92,6 +92,7 @@ jobs:
                 symfony-version:
                     - '5.3'
                     - '5.4'
+                    - '6.0'
         steps:
             - name: 'Checkout Code'
               uses: actions/checkout@v2

composer.json

@@ -12,13 +12,13 @@
         "php": ">=7.4",
         "ext-ctype": "*",
         "ext-iconv": "*",
-        "symfony/console": "^5.3",
+        "symfony/console": "^5.4 || ^6.0",
         "symfony/flex": "^1.17",
-        "symfony/framework-bundle": "^5.3",
-        "symfony/twig-bundle": "^5.3",
-        "symfony/yaml": "^5.3",
-        "symfony/asset": "^5.3",
-        "symfony/finder": "^5.3",
+        "symfony/framework-bundle": "^5.4 || ^6.0",
+        "symfony/twig-bundle": "^5.4 || ^6.0",
+        "symfony/yaml": "^5.4 || ^6.0",
+        "symfony/asset": "^5.4 || ^6.0",
+        "symfony/finder": "^5.4 || ^6.0",
         "symfony/polyfill-ctype": "^1.13",
         "twig/twig": "^3.3"
     },
@@ -30,9 +30,9 @@
         "phpstan/phpstan-symfony": "^1.0",
         "thecodingmachine/phpstan-strict-rules": "^1.0",
         "phpunit/phpunit": "^9.5",
-        "symfony/dotenv": "^5.3",
-        "symfony/filesystem": "^5.3",
-        "symfony/phpunit-bridge": "^5.3"
+        "symfony/dotenv": "^5.4 || ^6.0",
+        "symfony/filesystem": "^5.4 || ^6.0",
+        "symfony/phpunit-bridge": "^5.4 || ^6.0"
     },
     "autoload": {
         "psr-4": {