ci(php): Use PHP 8.4 for linting

Author: ptondereau

.github/workflows/build.yml

@@ -21,7 +21,7 @@ jobs:
     runs-on: ubuntu-latest
     env:
       clang: "17"
-      php_version: "8.2"
+      php_version: "8.4"
     steps:
       - name: Checkout
         uses: actions/checkout@v5