ghactions: bump docker/metadata-action from 3.6.2 to 4.0.1

Bumps [docker/metadata-action](https://github.com/docker/metadata-action) from 3.6.2 to 4.0.1.
- [Release notes](https://github.com/docker/metadata-action/releases)
- [Upgrade guide](https://github.com/docker/metadata-action/blob/master/UPGRADE.md)
- [Commits](docker/metadata-action@e562237...69f6fc9)

---
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>

Author: dependabot[bot]

.github/workflows/backup-operator-docker.yml

@@ -42,7 +42,7 @@ jobs:
           username: ${{ github.actor }}
           password: ${{ secrets.GITHUB_TOKEN }}
       - id: meta                   # Used to pass data into next step
-        uses: docker/metadata-action@e5622373a38e60fb6d795a4421e56882f2d7a681
+        uses: docker/metadata-action@69f6fc9d46f2f8bf0d5491e4aabe0bb8c6a4678a
         with:
           images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
       - uses: docker/build-push-action@ac9327eae2b366085ac7f6a2d02df8aa8ead720a

.github/workflows/publish.yml

@@ -24,7 +24,7 @@ jobs:
           username: ${{ github.actor }}
           password: ${{ secrets.GITHUB_TOKEN }}
       - id: meta                   # Used to pass data into next step
-        uses: docker/metadata-action@e5622373a38e60fb6d795a4421e56882f2d7a681
+        uses: docker/metadata-action@69f6fc9d46f2f8bf0d5491e4aabe0bb8c6a4678a
         with:
           images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
       - uses: docker/build-push-action@ac9327eae2b366085ac7f6a2d02df8aa8ead720a