Update GitHub Actions to Node.js 24 compatible versions

- actions/checkout v4 → v5
- docker/setup-buildx-action v3 → v4
- docker/login-action v3 → v4
- docker/metadata-action v5 → v6
- docker/build-push-action v5 → v6

Author: kimjj93

.github/workflows/build-and-push.yml

@@ -24,15 +24,15 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v3
+        uses: docker/setup-buildx-action@v4
 
       - name: Log in to GitHub Container Registry
         # Only login for version tag pushes (actual deployments)
         if: startsWith(github.ref, 'refs/tags/v')
-        uses: docker/login-action@v3
+        uses: docker/login-action@v4
         with:
           registry: ${{ env.REGISTRY }}
           username: ${{ github.actor }}
@@ -56,7 +56,7 @@ jobs:
 
       - name: Extract metadata (tags, labels)
         id: meta
-        uses: docker/metadata-action@v5
+        uses: docker/metadata-action@v6
         with:
           images: ${{ steps.image.outputs.name }}
           tags: |
@@ -73,7 +73,7 @@ jobs:
             type=ref,event=branch
 
       - name: Build and push Docker image
-        uses: docker/build-push-action@v5
+        uses: docker/build-push-action@v6
         with:
           context: .
           # Only push on version tags (v1.0.0), NOT on PRs or main branch