chore(deps): bump docker/metadata-action from 5.0.0 to 5.4.0 (#51)

* chore(deps): bump docker/metadata-action from 5.0.0 to 5.4.0

Bumps [docker/metadata-action](https://github.com/docker/metadata-action) from 5.0.0 to 5.4.0.
- [Release notes](https://github.com/docker/metadata-action/releases)
- [Commits](https://github.com/docker/metadata-action/compare/v5.0.0...v5.4.0)

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

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

* fix(docker): update extension hash

---------

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Gareth Flowers <garethflowers@users.noreply.github.com>

.github/workflows/publish.yml

@@ -17,7 +17,7 @@ jobs:
         uses: actions/checkout@v4
       - name: Prepare
         id: prep
-        uses: docker/metadata-action@v5.0.0
+        uses: docker/metadata-action@v5.4.0
         with:
           images: |
             ${{ github.repository_owner }}/mediawiki-ldap