build(deps): bump docker/build-push-action from 6.19.2 to 7.0.0 (#259)

Bumps [docker/build-push-action](https://github.com/docker/build-push-action) from 6.19.2 to 7.0.0.
- [Release notes](https://github.com/docker/build-push-action/releases)
- [Commits](https://github.com/docker/build-push-action/compare/v6.19.2...v7.0.0)

---
updated-dependencies:
- dependency-name: docker/build-push-action
  dependency-version: 7.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

.github/workflows/container-image.yml

@@ -44,7 +44,7 @@ jobs:
     # https://github.com/marketplace/actions/build-and-push-docker-images
     # > The commit history is not preserved.
     # https://docs.docker.com/engine/reference/commandline/build/#git-repositories
-    - uses: docker/build-push-action@v6.19.2
+    - uses: docker/build-push-action@v7.0.0
       with:
         build-args: | # git history unavailable (see above)
           SETUPTOOLS_SCM_PRETEND_VERSION=0