Remove support for Symfony 4.3

composer.json

@@ -18,11 +18,11 @@
         "php-task/php-task": "^1.3.3 || ^2.0",
         "php-task/task-bundle": "^2.0 || ^3.0",
         "sulu/sulu": "^2.2.0 || ^2.5.0@dev",
-        "symfony/config": "^4.3 || ^5.4 || ^6.3 || ^7.0",
-        "symfony/dependency-injection": "^4.3 || ^5.4 || ^6.3 || ^7.0",
+        "symfony/config": "^4.4 || ^5.4 || ^6.3 || ^7.0",
+        "symfony/dependency-injection": "^4.4 || ^5.4 || ^6.3 || ^7.0",
         "symfony/deprecation-contracts": "^1.0 || ^2.0 || ^3.0",
-        "symfony/http-foundation": "^4.3 || ^5.4 || ^6.3 || ^7.0",
-        "symfony/http-kernel": "^4.3 || ^5.4 || ^6.3 || ^7.0"
+        "symfony/http-foundation": "^4.4 || ^5.4 || ^6.3 || ^7.0",
+        "symfony/http-kernel": "^4.4 || ^5.4 || ^6.3 || ^7.0"
     },
     "require-dev": {
         "handcraftedinthealps/zendsearch": "^2.0",
@@ -36,11 +36,11 @@
         "phpstan/phpstan-phpunit": "^1.0",
         "phpstan/phpstan-symfony": "^1.0",
         "phpunit/phpunit": "^8.5.39 || ^9.6.20 || ^10.0",
-        "symfony/browser-kit": "^4.3 || ^5.4 || ^6.3 || ^7.0",
-        "symfony/dotenv": "^4.3 || ^5.4 || ^6.3 || ^7.0",
+        "symfony/browser-kit": "^4.4 || ^5.4 || ^6.3 || ^7.0",
+        "symfony/dotenv": "^4.4 || ^5.4 || ^6.3 || ^7.0",
         "symfony/monolog-bundle": "^3.1",
-        "symfony/security-bundle": "^4.3 || ^5.4 || ^6.3 || ^7.0",
-        "symfony/stopwatch": "^4.3 || ^5.4 || ^6.3 || ^7.0",
+        "symfony/security-bundle": "^4.4 || ^5.4 || ^6.3 || ^7.0",
+        "symfony/stopwatch": "^4.4 || ^5.4 || ^6.3 || ^7.0",
         "thecodingmachine/phpstan-strict-rules": "^1.0"
     },
     "autoload": {