Bump docker/build-push-action from 2 to 3

Bumps [docker/build-push-action](https://github.com/docker/build-push-action) from 2 to 3.
- [Release notes](https://github.com/docker/build-push-action/releases)
- [Commits](docker/build-push-action@v2...v3)

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

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

.github/workflows/docker_update_ethtool.yml

@@ -35,7 +35,7 @@ jobs:
         username: ${{ secrets.DOCKER_USERNAME }}
         password: ${{ secrets.DOCKER_PASSWORD }}
     - name: Build and push Docker image
-      uses: docker/build-push-action@v2
+      uses: docker/build-push-action@v3
       with:
         context: build/images/ethtool
         platforms: linux/amd64,linux/arm64,linux/arm/v7