Allow Symfony 5 and 6 components only. Disallow PHP < 8.1

Author: relthyg

.github/workflows/tests.yml

@@ -16,8 +16,6 @@ jobs:
             fail-fast: false
             matrix:
                 include:
-                    - { php-version: 7.4, symfony-locked-version: none, dependency-version: prefer-lowest }
-                    - { php-version: 7.4, symfony-locked-version: none, dependency-version: prefer-stable }
                     - { php-version: 8.1, symfony-locked-version: none, dependency-version: prefer-stable }
         name: PHPUnit (PHP ${{matrix.php-version}}, Symfony Version Lock ${{ matrix.symfony-locked-version }}, ${{ matrix.dependency-version }})
         steps:

composer.json

@@ -20,17 +20,17 @@
         }
     ],
     "require": {
-        "php": "^7.4 | 8.0.* | 8.1.*",
+        "php": "8.1.*",
         "ext-intl": "*",
         "lib-icu": ">=4.8",
         "jms/parser-lib": "^1.0.0",
         "psr/log": "^1.0",
-        "symfony/config": "^4.3|^5.0",
-        "symfony/dependency-injection": "^4.4|^5.0",
-        "symfony/finder": "^3.4.31|^4.0|^5.0",
-        "symfony/framework-bundle": "^4.4|^5.0",
-        "symfony/http-kernel": "^4.4|^5.0",
-        "symfony/translation": "^4.2|^5.0",
+        "symfony/config": "^5.0|^6.0",
+        "symfony/dependency-injection": "^5.0|^6.0",
+        "symfony/finder": "^5.0|^6.0",
+        "symfony/framework-bundle": "^5.0|^6.0",
+        "symfony/http-kernel": "^5.0|^6.0",
+        "symfony/translation": "^5.0|^6.0",
         "symfony/translation-contracts": "^2.0|^3.0",
         "twig/twig": "^1.42|^2.0|^3.0"
     },