chore(deps): bump docker/metadata-action from 5 to 6 (#1676)

Bumps [docker/metadata-action](https://github.com/docker/metadata-action) from 5 to 6.
- [Release notes](https://github.com/docker/metadata-action/releases)
- [Commits](docker/metadata-action@v5...v6)

---
updated-dependencies:
- dependency-name: docker/metadata-action
  dependency-version: '6'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/node.yaml

@@ -207,7 +207,7 @@ jobs:
       - name: Get the Docker tag for GHCR
         id: ghcr-tag
         if: steps.check-build-and-push.outputs.enable == 'true'
-        uses: docker/metadata-action@v5
+        uses: docker/metadata-action@v6
         with:
           images: |
             ghcr.io/${{ github.repository }}-server-core
@@ -239,7 +239,7 @@ jobs:
       - name: Get the Docker tag for DockerHub
         id: dockerhub-tag
         if: steps.check-build-and-push.outputs.enable == 'true'
-        uses: docker/metadata-action@v5
+        uses: docker/metadata-action@v6
         with:
           images: |
             ${{ secrets.DOCKERHUB_IMAGE_PREFIX }}server-core
@@ -380,7 +380,7 @@ jobs:
       - name: Get the Docker tag for GHCR
         id: ghcr-tag
         if: steps.check-build-and-push.outputs.enable == 'true'
-        uses: docker/metadata-action@v5
+        uses: docker/metadata-action@v6
         with:
           images: |
             ghcr.io/${{ github.repository }}-${{ matrix.gateway-name }}
@@ -411,7 +411,7 @@ jobs:
       - name: Get the Docker tag for DockerHub
         id: dockerhub-tag
         if: steps.check-build-and-push.outputs.enable == 'true'
-        uses: docker/metadata-action@v5
+        uses: docker/metadata-action@v6
         with:
           images: |
             ${{ secrets.DOCKERHUB_IMAGE_PREFIX }}${{ matrix.gateway-name }}