Merge pull request #10 from actinia-org/renovate/actions-checkout-6.x

Update actions/checkout action to v6

Author: mmacata

.github/workflows/test.yml

@@ -35,7 +35,7 @@ jobs:
   integration-tests:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
     - name: Start containers
       run: docker compose -f "docker/docker-compose.yml" up -d --build
     - name: List running docker