Bump docker/build-push-action from 4.1.1 to 4.2.0

Bumps [docker/build-push-action](https://github.com/docker/build-push-action) from 4.1.1 to 4.2.0.
- [Release notes](https://github.com/docker/build-push-action/releases)
- [Commits](docker/build-push-action@v4.1.1...v4.2.0)

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

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

.github/workflows/build-linux-image.yml

@@ -25,7 +25,7 @@ jobs:
       - name: Pull Latest Linux Base Image
         run: docker pull debian:stable-slim
       - name: Build Linux Image
-        uses: docker/build-push-action@v4.1.1
+        uses: docker/build-push-action@v4.2.0
         with:
           context: .
           file: ./linux.Dockerfile