feat: add php 8.4 and add Symfony stable versions

.github/workflows/psalm.yml

@@ -8,7 +8,11 @@ jobs:
     strategy:
       matrix:
         operating-system: [ubuntu-latest]
-        php-versions: ['8.1','8.2']
+        php-versions:
+          - '8.1'
+          - '8.2'
+          - '8.3'
+          - '8.4'
     name: PHP ${{ matrix.php-versions }} Test on ${{ matrix.operating-system }}
     steps:
       - uses: actions/checkout@v3

.github/workflows/tests.yaml

@@ -7,7 +7,11 @@ jobs:
     strategy:
       matrix:
         operating-system: [ubuntu-latest]
-        php-versions: ['8.1','8.2']
+        php-versions:
+          - '8.1'
+          - '8.2'
+          - '8.3'
+          - '8.4'
     name: PHP ${{ matrix.php-versions }} Test on ${{ matrix.operating-system }}
     steps:
       - name: Checkout
@@ -22,6 +26,8 @@ jobs:
         run: php -v
       - name: Composer
         uses: php-actions/composer@v6
+        with:
+          args: "--ignore-platform-req=php"
       - name: Tests
         uses: php-actions/phpunit@v3
         with:

composer.json

@@ -20,10 +20,10 @@
     }
   ],
   "require": {
-    "php": ">=8.1",
-    "symfony/http-kernel": "^5.4|^6.0",
-    "symfony/dependency-injection": "^5.4|^6.0",
-    "symfony/config": "^5.4|^6.0"
+    "php": "^8.1|^8.2|^8.3",
+    "symfony/http-kernel": "^5.4|^6.4|^7.1",
+    "symfony/dependency-injection": "^5.4|^6.4|^7.1",
+    "symfony/config": "^5.4|^6.4|^7.1"
   },
   "require-dev": {
     "phpunit/phpunit": "^9.6|^10.0",

src/BoilerPlateBundle.php

@@ -14,6 +14,6 @@ public function getContainerExtension(): ?ExtensionInterface
             return new BoilerPlateBundleExtension();
         }
 
-        return $this->extension;
+        return $this->extension ?: null;
     }
 }