ci: fixes php version

Author: nunomaduro

.github/workflows/format.yaml

@@ -13,7 +13,7 @@ jobs:
             fail-fast: false
             matrix:
                 os: [ubuntu-latest]
-                php: [8.1]
+                php: [8.3]
                 dependency-version: [prefer-stable]
 
         name: ${{ matrix.php }} - ${{ matrix.dependency-version }}