chore: add PHP 8.4 to CI of 5.1 branch

.github/workflows/ci.yml

@@ -14,9 +14,14 @@ jobs:
       matrix:
         php-versions: ['7.2', '7.3', '7.4', '8.0', '8.1', '8.2', '8.3']
         coverage: ['xdebug']
+        code-style: ['no']
         code-analysis: ['no']
         include:
           - php-versions: '7.1'
+            code-style: 'yes'
+            code-analysis: 'yes'
+          - php-versions: '8.4'
+            code-style: 'no'
             code-analysis: 'yes'
     steps:
       - name: Checkout
@@ -45,7 +50,7 @@ jobs:
         run: composer install --no-progress --prefer-dist --optimize-autoloader
 
       - name: Code Analysis (PHP CS-Fixer)
-        if: matrix.code-analysis == 'yes'
+        if: matrix.code-style == 'yes'
         run: php vendor/bin/php-cs-fixer fix --dry-run --diff
 
       - name: Code Analysis (PHPStan)