Chore(deps): Bump shivammathur/setup-php from 2.30.2 to 2.30.4

Bumps [shivammathur/setup-php](https://github.com/shivammathur/setup-php) from 2.30.2 to 2.30.4.
- [Release notes](https://github.com/shivammathur/setup-php/releases)
- [Commits](https://github.com/shivammathur/setup-php/compare/2.30.2...2.30.4)

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

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

.github/workflows/phpunit-mysql.yml

@@ -92,7 +92,7 @@ jobs:
           path: apps/${{ env.APP_NAME }}
 
       - name: Set up php ${{ matrix.php-versions }}
-        uses: shivammathur/setup-php@8872c784b04a1420e81191df5d64fbd59d3d3033 # v2
+        uses: shivammathur/setup-php@868f02c3ff1a410930ea971284c9ea175e986284 # v2
         with:
           php-version: ${{ matrix.php-versions }}
           # https://docs.nextcloud.com/server/stable/admin_manual/installation/source_installation.html#prerequisites-for-manual-installation