Create composer directory

Author: branberry

.github/actions/setup/action.yml

@@ -46,7 +46,9 @@ runs:
     - name: Install dependencies with Composer
       uses: ramsey/[email protected]
       with:
+        working-directory: "composer"
         # Revert when psalm supports PHP 8.4
         # composer-options: "--no-suggest"
         composer-options: "--no-suggest ${{ inputs.php-version == '8.4'
         && '--ignore-platform-req=php+' || '' }}"
+