Update docker-image.yml

Author: devros42

.github/workflows/docker-image.yml

@@ -9,7 +9,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v3  # Confirming v3 uses Node.js 20
+        uses: actions/checkout@v4  # Confirming v3 uses Node.js 20
 
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3  # Confirming v3 uses Node.js 20