Update shivammathur/setup-php digest to accd612 (#20)

Author: rinus

.github/workflows/check.yml

@@ -21,7 +21,7 @@ jobs:
       uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
 
     - name: Setup PHP
-      uses: shivammathur/setup-php@44454db4f0199b8b9685a5d763dc37cbf79108e1 # v2
+      uses: shivammathur/setup-php@accd6127cb78bee3e8082180cb391013d204ef9f # v2
       with:
         php-version: ${{ matrix.php }}
         tools: cs2pr