Bump shivammathur/setup-php from 2.25.3 to 2.25.4 (#60)

Bumps [shivammathur/setup-php](/~https://github.com/shivammathur/setup-php) from 2.25.3 to 2.25.4.
- [Release notes](/~https://github.com/shivammathur/setup-php/releases)
- [Commits](shivammathur/setup-php@2.25.3...2.25.4)

---
updated-dependencies:
- dependency-name: shivammathur/setup-php
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/tests.yml

@@ -34,7 +34,7 @@ jobs:
         uses: actions/checkout@v3
 
       - name: Setup PHP
-        uses: shivammathur/setup-php@2.25.3
+        uses: shivammathur/setup-php@2.25.4
         with:
           php-version: ${{ matrix.php }}
           coverage: xdebug