build(deps): bump docker/metadata-action from 3.7.0 to 3.8.0 (#4241)

Bumps [docker/metadata-action](https://github.com/docker/metadata-action) from 3.7.0 to 3.8.0.
- [Release notes](https://github.com/docker/metadata-action/releases)
- [Commits](https://github.com/docker/metadata-action/compare/v3.7.0...v3.8.0)

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

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

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

@@ -58,7 +58,7 @@ jobs:
       # Automatic tag management and OCI Image Format Specification for labels
       - name: Docker meta
         id: meta
-        uses: docker/metadata-action@v3.7.0
+        uses: docker/metadata-action@v3.8.0
         with:
           # list of Docker images to use as base name for tags
           images: |

.github/workflows/zcash-lightwalletd.yml

@@ -52,7 +52,7 @@ jobs:
       # Automatic tag management and OCI Image Format Specification for labels
       - name: Docker meta
         id: meta
-        uses: docker/metadata-action@v3.7.0
+        uses: docker/metadata-action@v3.8.0
         with:
           # list of Docker images to use as base name for tags
           images: |