Update shivammathur/setup-php digest to accd612 (#36)

Author: rinus

.github/workflows/php-checks.yml

@@ -13,7 +13,7 @@ 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-versions }}
           tools: cs2pr