build(deps): bump docker/build-push-action from 4 to 6

Bumps [docker/build-push-action](https://github.com/docker/build-push-action) from 4 to 6.
- [Release notes](https://github.com/docker/build-push-action/releases)
- [Commits](docker/build-push-action@v4...v6)

---
updated-dependencies:
- dependency-name: docker/build-push-action
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

.github/workflows/docker.yml

@@ -24,7 +24,7 @@ jobs:
           registry: ghcr.io
           username: ${{ github.actor }}
           password: ${{ github.token }}
-      - uses: docker/build-push-action@v4
+      - uses: docker/build-push-action@v6
         with:
           context: .
           platforms: linux/amd64,linux/arm64