Bump docker/metadata-action from 5.5.1 to 5.7.0

Bumps [docker/metadata-action](https://github.com/docker/metadata-action) from 5.5.1 to 5.7.0.
- [Release notes](https://github.com/docker/metadata-action/releases)
- [Commits](docker/metadata-action@v5.5.1...v5.7.0)

---
updated-dependencies:
- dependency-name: docker/metadata-action
  dependency-version: 5.7.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

.github/workflows/build-base-image.yml

@@ -16,7 +16,7 @@ jobs:
         uses: actions/checkout@v4
       - name: Docker meta
         id: docker_meta
-        uses: docker/metadata-action@v5.5.1
+        uses: docker/metadata-action@v5.7.0
         with:
           images: |
             ghcr.io/${{ github.repository_owner }}/prarr

.github/workflows/build-pr-image.yml

@@ -32,7 +32,7 @@ jobs:
 
       - name: Docker meta
         id: docker_meta
-        uses: docker/metadata-action@v5.5.1
+        uses: docker/metadata-action@v5.7.0
         with:
           images: |
             ghcr.io/${{ github.repository_owner }}/prarr