Add PHP 8.3 support in GitHub Actions workflow

The continuous integration pipeline in GitHub Actions has been updated to include support for PHP 8.3. The changes include setting up PHP 8.3 environment, caching composer packages for faster builds, and running unit tests, style checks, and static analysis on code.

Signed-off-by: Marcel Strahl <[email protected]>

.github/workflows/ci.yml

@@ -70,3 +70,36 @@ jobs:
 
         - name: "Run Psalm"
           run: "composer psalm"
+
+    php83:
+      name: PHP 8.3
+      runs-on: ubuntu-latest
+      steps:
+        - name: "Checkout"
+          uses: "actions/checkout@v3"
+          with:
+            fetch-depth: 2
+
+        - name: "Install PHP 8.3"
+          uses: "shivammathur/setup-php@v2"
+          with:
+            php-version: "8.3"
+
+        - name: "Cache composer packages"
+          uses: "actions/cache@v3"
+          with:
+            path: "~/.composer/cache"
+            key: "php-composer-locked-${{ hashFiles('composer.lock') }}"
+            restore-keys: "php-composer-locked-"
+
+        - name: "Install dependencies with composer"
+          run: "composer install --no-interaction"
+
+        - name: "Run PHPUnit Tests"
+          run: "composer test"
+
+        - name: "Run PHP CS Check"
+          run: "PHP_CS_FIXER_IGNORE_ENV=1 composer cs-check"
+
+        - name: "Run Psalm"
+          run: "composer psalm"