[DOCS] Added php 8.4 to build

Author: derhansen

.github/workflows/CodeQuality.yml

@@ -10,7 +10,7 @@ jobs:
     strategy:
       matrix:
         typo3: [v12, v13]
-        php: [8.1, 8.2, 8.3]
+        php: [8.1, 8.2, 8.3, 8.4]
         exclude:
           - typo3: v13
             php: 8.1