Bump shivammathur/setup-php from 2.17.1 to 2.18.0

Bumps [shivammathur/setup-php](https://github.com/shivammathur/setup-php) from 2.17.1 to 2.18.0.
- [Release notes](https://github.com/shivammathur/setup-php/releases)
- [Commits](shivammathur/setup-php@2.17.1...2.18.0)

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

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

.github/workflows/ci.yml

@@ -36,7 +36,7 @@ jobs:
     - uses: actions/checkout@v3
 
     - name: Use PHP ${{ matrix.php }}
-      uses: shivammathur/setup-php@2.17.1
+      uses: shivammathur/setup-php@2.18.0
       with:
         php-version: ${{ matrix.php }}
         extensions: mbstring, curl, zip, dom, simplexml, intl, pdo_mysql