Don't test PHP 7.4

Author: matthiasnoback

.github/workflows/code-style.yaml

@@ -15,7 +15,9 @@ jobs:
                     -
                         name: "Behat"
                         run: vendor/bin/behat
-                php-versions: ['7.4', '8.0']
+                    -
+                        name: "Code style"
+                        run: vendor/bin/ecs check --ansi
 
         name: ${{ matrix.actions.name }}
         runs-on: ubuntu-latest
@@ -26,7 +28,7 @@ jobs:
             # see https://github.com/shivammathur/setup-php
             -   uses: shivammathur/setup-php@v2
                 with:
-                    php-version: ${{ matrix.php-versions }}
+                    php-version: 8.0
                     coverage: none
 
             # composer install cache - https://github.com/ramsey/composer-install