Chore(deps): Bump docker/build-push-action from 5 to 6 (#541)

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/push_docker.yml

@@ -59,7 +59,7 @@ jobs:
  tags: |
  type=semver,pattern={{raw}},value=${{ inputs.tag }}${{ matrix.target == 'dev' && '-dev' || '' }}
  - name: Build ${{ matrix.variant }}
- uses: docker/build-push-action@v5
+ uses: docker/build-push-action@v6
  with:
  context: .
  target: ${{ matrix.target }}
@@ -82,7 +82,7 @@ jobs:
  --image ghcr.io/andreasaugustin/${{ matrix.variant }}:${{ inputs.tag }}${{ matrix.target == 'dev' && '-dev' || '' }}\
  --config docker-test-config.yml
  - name: push ${{ matrix.variant }}
- uses: docker/build-push-action@v5
+ uses: docker/build-push-action@v6
  with:
  context: .
  target: ${{ matrix.target }}