Bump docker/build-push-action from 5 to 6 (#49)

Bumps [docker/build-push-action](https://github.com/docker/build-push-action) from 5 to 6.
- [Release notes](https://github.com/docker/build-push-action/releases)
- [Commits](docker/build-push-action@v5...v6)

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

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

.github/workflows/docker.yml

@@ -39,7 +39,7 @@ jobs:
  password: ${{ secrets.DOCKER_HUB_ACCESS_TOKEN }}
 
  - name: Build and Push to Registries
- uses: docker/build-push-action@v5
+ uses: docker/build-push-action@v6
  with:
  platforms: linux/amd64,linux/arm64
  push: ${{ github.event_name != 'pull_request' }}