Merge pull request #1 from opengsq/dependabot/github_actions/actions/…

…checkout-4

Bump actions/checkout from 3 to 4

.github/workflows/docker-image.yml

@@ -13,6 +13,6 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Build the Docker image
       run: docker build . --file Dockerfile --tag opengsq-master-server:$(date +%s)