Bump shivammathur/setup-php from 2.25.5 to 2.26.0 (#265)

Bumps [shivammathur/setup-php](https://github.com/shivammathur/setup-php) from 2.25.5 to 2.26.0.
- [Release notes](https://github.com/shivammathur/setup-php/releases)
- [Commits](shivammathur/setup-php@2.25.5...2.26.0)

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

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

action.yml

@@ -59,7 +59,7 @@ runs:
       shell: bash
 
     - name: Installing PHP...
-      uses: shivammathur/setup-php@2.25.5
+      uses: shivammathur/setup-php@2.26.0
       with:
         php-version: ${{ env.NEEDED_PHP_VERSION }}
         extensions: curl, gd, pdo_mysql, json, mbstring, pcre, session