build(deps): bump docker/build-push-action from 6 to 7

Bumps [docker/build-push-action](https://github.com/docker/build-push-action) from 6 to 7.
- [Release notes](https://github.com/docker/build-push-action/releases)
- [Commits](docker/build-push-action@v6...v7)

---
updated-dependencies:
- dependency-name: docker/build-push-action
  dependency-version: '7'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

.github/workflows/ci.yml

@@ -65,7 +65,7 @@ jobs:
 
       - name: Build and push Docker image
         id: push
-        uses: docker/build-push-action@v6 # NOSONAR githubactions:S7637 - verified action creator
+        uses: docker/build-push-action@v7 # NOSONAR githubactions:S7637 - verified action creator
         with:
           context: ./test-dataset/dummyconsumer/
           file: ./test-dataset/dummyconsumer/Dockerfile