Bump shivammathur/setup-php from 2.30.1 to 2.30.4 (#66)

Bumps [shivammathur/setup-php](https://github.com/shivammathur/setup-php) from 2.30.1 to 2.30.4.
- [Release notes](https://github.com/shivammathur/setup-php/releases)
- [Commits](shivammathur/setup-php@2.30.1...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>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/tests.yml

@@ -13,7 +13,7 @@ jobs:
             - uses: actions/checkout@v4
 
             - name: Configure PHP
-              uses: shivammathur/setup-php@2.30.1
+              uses: shivammathur/setup-php@2.30.4
               with:
                   php-version: ${{ matrix.php }}
                   extensions: mbstring