ci(deps): bump docker/metadata-action from 4 to 5

Bumps [docker/metadata-action](https://github.com/docker/metadata-action) from 4 to 5.
- [Release notes](https://github.com/docker/metadata-action/releases)
- [Upgrade guide](https://github.com/docker/metadata-action/blob/master/UPGRADE.md)
- [Commits](https://github.com/docker/metadata-action/compare/v4...v5)

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

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/release-rc-scheduled.yml

@@ -27,7 +27,7 @@ jobs:
       id: package-json
 
     - name: Docker meta for docker.io
-      uses: docker/metadata-action@v4
+      uses: docker/metadata-action@v5
       id: meta
       with:
         images: docker.io/weseek/growi
@@ -36,7 +36,7 @@ jobs:
           type=raw,value=${{ steps.package-json.outputs.packageVersion }}.{{sha}}
 
     - name: Docker meta for ghcr.io
-      uses: docker/metadata-action@v4
+      uses: docker/metadata-action@v5
       id: meta-ghcr
       with:
         images: ghcr.io/weseek/growi

.github/workflows/release-rc.yml

@@ -27,7 +27,7 @@ jobs:
       id: package-json
 
     - name: Docker meta for docker.io
-      uses: docker/metadata-action@v4
+      uses: docker/metadata-action@v5
       id: meta
       with:
         images: docker.io/weseek/growi

.github/workflows/release-slackbot-proxy.yml

@@ -24,7 +24,7 @@ jobs:
 
     - name: Docker meta
       id: meta
-      uses: docker/metadata-action@v4
+      uses: docker/metadata-action@v5
       with:
         images: weseek/growi-slackbot-proxy,asia.gcr.io/${{ secrets.GCP_PRJ_ID_SLACKBOT_PROXY }}/growi-slackbot-proxy
         tags: |

.github/workflows/release.yml

@@ -91,7 +91,7 @@ jobs:
       id: package-json
 
     - name: Docker meta for docker.io
-      uses: docker/metadata-action@v4
+      uses: docker/metadata-action@v5
       id: meta
       with:
         images: docker.io/weseek/growi

.github/workflows/reusable-app-create-manifests.yml

@@ -29,7 +29,7 @@ jobs:
     steps:
     - name: Docker meta for extra-images
       id: meta-extra-images
-      uses: docker/metadata-action@v4
+      uses: docker/metadata-action@v5
       with:
         images: ${{ inputs.registry }}/${{ inputs.image-name }}
         sep-tags: ','