Merge pull request #58 from bennesp/renovate/actions-checkout-3.x

Update actions/checkout action to v3

Author: bennesp

.github/workflows/tests.yaml

@@ -14,7 +14,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
 
       - name: Run tests
         run: ./gradlew test