Bump shivammathur/setup-php from 2.5.0 to 2.10.0

Bumps [shivammathur/setup-php](https://github.com/shivammathur/setup-php) from 2.5.0 to 2.10.0.
- [Release notes](https://github.com/shivammathur/setup-php/releases)
- [Commits](shivammathur/setup-php@2.5.0...fa18c2b)

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/build.yml

@@ -20,7 +20,7 @@ jobs:
             - name: Checkout
               uses: actions/checkout@v2.3.4
             - name: Setup PHP
-              uses: shivammathur/setup-php@2.5.0
+              uses: shivammathur/setup-php@2.10.0
               with:
                   php-version: ${{ matrix.php-versions }}
                   extensions: mbstring