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] <support@github.com>

Author: dependabot[bot]

.github/workflows/docker.yml

@@ -36,7 +36,7 @@ jobs:
                   type=sha
 
             - name: '[docker] Docker build'
-              uses: docker/build-push-action@v6
+              uses: docker/build-push-action@v7
               with:
                 context: ${{ env.DOCKER_META_CONTEXT }}
                 file: ${{ env.DOCKER_META_FILE }}
@@ -67,7 +67,7 @@ jobs:
                   type=semver,pattern={{major}},enable=${{ !startsWith(github.ref, 'refs/tags/v0.') }}
 
             - name: '[docker-hub] Docker build+push'
-              uses: docker/build-push-action@v6
+              uses: docker/build-push-action@v7
               if: github.event_name != 'pull_request' && steps.meta-public.outputs.tags != ''
               with:
                 context: ${{ env.DOCKER_META_CONTEXT }}