Bump shivammathur/setup-php from 2.30.3 to 2.30.4

Bumps [shivammathur/setup-php](https://github.com/shivammathur/setup-php) from 2.30.3 to 2.30.4.
- [Release notes](https://github.com/shivammathur/setup-php/releases)
- [Commits](shivammathur/setup-php@2.30.3...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] <[email protected]>

.github/workflows/CI.yml

@@ -18,7 +18,7 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v4
-      - uses: shivammathur/[email protected].3
+      - uses: shivammathur/[email protected].4
         with:
           php-version: ${{ matrix.php }}
           extensions: mbstring,dom