build(deps): bump the ci group with 1 update

Bumps the ci group with 1 update: [docker/metadata-action](https://github.com/docker/metadata-action).

- [Release notes](https://github.com/docker/metadata-action/releases)
- [Commits](docker/metadata-action@96383f4...e6428a5)

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

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

.github/workflows/release.yml

@@ -59,7 +59,7 @@ jobs:
           password: ${{ secrets.DOCKER_FLUXCD_PASSWORD }}
       - name: Generate images meta
         id: meta
-        uses: docker/metadata-action@96383f45573cb7f253c731d3b3ab81c87ef81934 # v5.0.0
+        uses: docker/metadata-action@e6428a5c4e294a61438ed7f43155db912025b6b3 # v5.2.0
         with:
           images: |
             fluxcd/${{ env.CONTROLLER }}