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](https://github.com/docker/build-push-action/compare/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]>

.github/workflows/generateDockerLayer.yml

@@ -29,7 +29,7 @@ jobs:
         registry: ghcr.io
 
     - name: Build and push Docker image
-      uses: docker/build-push-action@v6
+      uses: docker/build-push-action@v7
       with:
         push: true
         tags: ghcr.io/${{ github.repository }}:${{ steps.metadata.outputs.tag }}