Drop support for Symfony 4.4 and earlier, and 5.0-5.2

Author: mbabker

composer.json

@@ -15,9 +15,9 @@
     "require": {
         "php": "^7.2 || ^8.0",
         "matthiasnoback/symfony-config-test": "^4.0.1",
-        "symfony/dependency-injection": "^3.4 || ^4.4 || ^5.0",
-        "symfony/config": "^3.4 || ^4.4 || ^5.0",
-        "symfony/yaml": "^3.4 || ^4.4 || ^5.0"
+        "symfony/dependency-injection": "^4.4 || ^5.3",
+        "symfony/config": "^4.4 || ^5.3",
+        "symfony/yaml": "^4.4 || ^5.3"
     },
     "require-dev": {
         "phpunit/phpunit": "^8.0"