Bump shivammathur/setup-php from 2.24.0 to 2.26.0

Bumps [shivammathur/setup-php](https://github.com/shivammathur/setup-php) from 2.24.0 to 2.26.0.
- [Release notes](https://github.com/shivammathur/setup-php/releases)
- [Commits](d30ad8b184...7fdd3ece87)

---
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/test_php.yml

@@ -167,7 +167,7 @@ jobs:
         run: brew install coreutils gd
 
       - name: Pin PHP version
-        uses: shivammathur/setup-php@d30ad8b1843ace22e6698ab99bbafaa747b6bd0d # 2.24.0
+        uses: shivammathur/setup-php@7fdd3ece872ec7ec4c098ae5ab7637d5e0a96067 # 2.26.0
         with:
           php-version: ${{ matrix.version }}