Update shivammathur/setup-php digest to 42a9487

Author: renovate[bot]

.github/workflows/laravel-pint.yml

@@ -10,7 +10,7 @@ jobs:
     permissions:
       contents: write
     steps:
-      - uses: shivammathur/setup-php@ad03a92562b96b77b640b366a2b379a4971d1107
+      - uses: shivammathur/setup-php@42a9487ddd45db247decea2acf7de871a8178226
         with:
           php-version: '8.1'
       - uses: actions/checkout@v4