Run PHPCS on the target PHP version

Author: oojacoboo

.github/workflows/continuous_integration.yml

@@ -75,7 +75,10 @@ jobs:
         run: "composer phpstan"
 
       - name: "Run coding standard checks with squizlabs/php_codesniffer"
-        run: "composer cs-check"
+        run: |
+          php_version=$(php -r 'echo PHP_MAJOR_VERSION * 10000 + PHP_MINOR_VERSION * 100 + PHP_RELEASE_VERSION;')
+          echo "Detected PHP version: $php_version"
+          phpcs --runtime-set php_version $php_version
 
       - name: "Archive code coverage results"
         uses: actions/upload-artifact@v4