update workflow, ecs and phpstan

Author: av3

.github/workflows/ci.yml

@@ -19,7 +19,7 @@ jobs:
                     COMPOSER_TOKEN: ${{ secrets.GITHUB_TOKEN }}
 
             -   name: Checkout
-                uses: actions/checkout@v3
+                uses: actions/checkout@v4
 
             -   name: Install the dependencies
                 run: |
@@ -41,7 +41,7 @@ jobs:
                     coverage: none
 
             -   name: Checkout
-                uses: actions/checkout@v3
+                uses: actions/checkout@v4
 
             -   name: Install the dependencies
                 run: |
@@ -63,7 +63,7 @@ jobs:
                     coverage: none
 
             -   name: Checkout
-                uses: actions/checkout@v3
+                uses: actions/checkout@v4
 
             -   name: Install the dependencies
                 run: |
@@ -93,7 +93,7 @@ jobs:
                     COMPOSER_TOKEN: ${{ secrets.GITHUB_TOKEN }}
 
             -   name: Checkout
-                uses: actions/checkout@v3
+                uses: actions/checkout@v4
 
             -   name: Install the dependencies
                 run: composer install --no-interaction --no-progress
@@ -119,7 +119,35 @@ jobs:
                     COMPOSER_TOKEN: ${{ secrets.GITHUB_TOKEN }}
 
             -   name: Checkout
-                uses: actions/checkout@v3
+                uses: actions/checkout@v4
+
+            -   name: Install the dependencies
+                run: |
+                    composer require contao/core-bundle "^4.13"
+                    composer install --no-interaction --no-progress
+
+            -   name: Run the unit tests
+                run: vendor/bin/phpunit --colors=always
+
+    phpunit_c54:
+        name: PHP ${{ matrix.php }} Contao 5.4
+        runs-on: ubuntu-latest
+        strategy:
+            fail-fast: false
+            matrix:
+                php: [ 8.1, 8.2, 8.3 ]
+        steps:
+            -   name: Setup PHP
+                uses: shivammathur/setup-php@v2
+                with:
+                    php-version: ${{ matrix.php }}
+                    extensions: dom, fileinfo, filter, gd, hash, intl, json, mbstring, mysqli, pcre, pdo_mysql, zlib
+                    coverage: xdebug
+                env:
+                    COMPOSER_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+            -   name: Checkout
+                uses: actions/checkout@v4
 
             -   name: Install the dependencies
                 run: |