[TASK] Update php to v5.3

| datasource | package | from | to  |
| ---------- | ------- | ---- | --- |
| docker     | php     | 8.3  | 5.3 |

.github/workflows/cgl.yaml

@@ -25,7 +25,7 @@ jobs:
       - name: Setup PHP
         uses: shivammathur/setup-php@v2
         with:
-          php-version: 8.3
+          php-version: 5.3
           tools: composer:v2, composer-require-checker, composer-unused, cs2pr
           coverage: none