Merge pull request #70 from backstagephp/dependabot/github_actions/ramsey/composer-install-4

Bump ramsey/composer-install from 3 to 4

Author: markvaneijk

.github/workflows/phpstan.yml

@@ -20,7 +20,7 @@ jobs:
           coverage: none
 
       - name: Install composer dependencies
-        uses: ramsey/composer-install@v3
+        uses: ramsey/composer-install@v4
 
       - name: Run PHPStan
         run: ./vendor/bin/phpstan --error-format=github