Bump docker/build-push-action from v1.1.0 to v2

Bumps [docker/build-push-action](https://github.com/docker/build-push-action) from v1.1.0 to v2.
- [Release notes](https://github.com/docker/build-push-action/releases)
- [Changelog](https://github.com/docker/build-push-action/blob/85d408708d8c09e8991e7b18899e77d7aee89287/CHANGELOG.md)
- [Commits](docker/build-push-action@v1.1.0...85d4087)

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

Author: dependabot[bot]

.github/workflows/docker-image.yml

@@ -14,7 +14,7 @@ jobs:
             - name: Check out the repo
               uses: actions/checkout@v2.3.1
             - name: Build and push Docker images
-              uses: docker/build-push-action@v1.1.0
+              uses: docker/build-push-action@v2
               with:
                   username: ${{ github.actor }}
                   password: ${{ secrets.GITHUB_TOKEN }}