github-actions(deps): bump shivammathur/setup-php from 2.11.0 to 2.31.1

Bumps [shivammathur/setup-php](https://github.com/shivammathur/setup-php) from 2.11.0 to 2.31.1.
- [Release notes](https://github.com/shivammathur/setup-php/releases)
- [Commits](shivammathur/setup-php@2.11.0...2.31.1)

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

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

.github/workflows/tests_php.yml

@@ -13,7 +13,7 @@ jobs:
         uses: actions/[email protected]
 
       - name: Setup PHP
-        uses: shivammathur/setup-php@2.11.0
+        uses: shivammathur/setup-php@2.31.1
         with:
           php-version: ${{ matrix.php }}