chore(deps): bump docker/metadata-action from 5.8.0 to 5.9.0 (#12)

Bumps [docker/metadata-action](https://github.com/docker/metadata-action) from 5.8.0 to 5.9.0.
- [Release notes](https://github.com/docker/metadata-action/releases)
- [Commits](docker/metadata-action@c1e5197...318604b)

---
updated-dependencies:
- dependency-name: docker/metadata-action
  dependency-version: 5.9.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

.github/workflows/ci-docker.yml

@@ -21,7 +21,7 @@ jobs:
         uses: docker/setup-qemu-action@c7c53464625b32c7a7e944ae62b3e17d2b600130 # v3.7.0 https://github.com/docker/setup-qemu-action/releases/tag/v3.7.0
       - uses: docker/setup-buildx-action@e468171a9de216ec08956ac3ada2f0791b6bd435 # v3.11.1 https://github.com/docker/setup-buildx-action/releases/tag/v3.11.1
       - id: meta
-        uses: docker/metadata-action@c1e51972afc2121e065aed6d45c65596fe445f3f # v5.8.0 https://github.com/docker/metadata-action/releases/tag/v5.8.0
+        uses: docker/metadata-action@318604b99e75e41977312d83839a89be02ca4893 # v5.9.0 https://github.com/docker/metadata-action/releases/tag/v5.9.0
         with:
           images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
       - name: build

.github/workflows/publish.yml

@@ -31,7 +31,7 @@ jobs:
           username: ${{ github.actor }}
           password: ${{ secrets.GITHUB_TOKEN }}
       - id: meta
-        uses: docker/metadata-action@c1e51972afc2121e065aed6d45c65596fe445f3f # v5.8.0 https://github.com/docker/metadata-action/releases/tag/v5.8.0
+        uses: docker/metadata-action@318604b99e75e41977312d83839a89be02ca4893 # v5.9.0 https://github.com/docker/metadata-action/releases/tag/v5.9.0
         with:
           images: |
             blinklabs/openvpn