github-actions(deps): bump shivammathur/setup-php from 2.25.4 to 2.26.0 (#472)

Author: dependabot[bot]

.github/workflows/tests.yml

@@ -17,7 +17,7 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Setup PHP
-        uses: shivammathur/setup-php@2.25.4
+        uses: shivammathur/setup-php@2.26.0
         with:
           php-version: ${{ matrix.php }}
           extensions: mbstring, intl, json, zip