chore(deps): bump docker/build-push-action from 6.16.0 to 7.1.0

Bumps [docker/build-push-action](https://github.com/docker/build-push-action) from 6.16.0 to 7.1.0.
- [Release notes](https://github.com/docker/build-push-action/releases)
- [Commits](docker/build-push-action@14487ce...bcafcac)

---
updated-dependencies:
- dependency-name: docker/build-push-action
  dependency-version: 7.1.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.github/workflows/docker-build.yml

@@ -45,7 +45,7 @@ jobs:
             type=sha,prefix=sha-
 
       - name: Build and push Docker image
-        uses: docker/build-push-action@14487ce63c7a62a4a324b0bfb37086795e31c6c1 # v6.16.0
+        uses: docker/build-push-action@bcafcacb16a39f128d818304e6c9c0c18556b85f # v7.1.0
         with:
           context: .docker/sphinx-latex
           push: ${{ github.event_name != 'pull_request' }}