might only be fixed in development branch

.github/workflows/tests.yml

@@ -22,7 +22,7 @@ jobs:
     - name: Checkout
       uses: actions/checkout@v2
     - name: Setup PHP
-      uses: shivammathur/setup-php@v2
+      uses: shivammathur/setup-php@develop
       with:
         php-version: ${{ matrix.php-versions }}
         extensions: gd, pdo_sqlite3, sqlite3