Merge pull request #200 from kreait/dependabot/github_actions/actions/checkout-4

github-actions(deps): bump actions/checkout from 3 to 4

Author: github-actions[bot]

.github/workflows/tests.yml

@@ -20,7 +20,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Setup PHP
         uses: shivammathur/setup-php@v2