Merge pull request #99 from annismckenzie/dependabot/github_actions/d…

…ocker/setup-buildx-action-1.5.1

Bump docker/setup-buildx-action from 1.3.0 to 1.5.1

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

@@ -35,7 +35,7 @@ jobs:
         uses: docker/setup-qemu-action@v1
       -
         name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v1.3.0
+        uses: docker/setup-buildx-action@v1.5.1
       -
         name: Cache Docker layers
         uses: actions/cache@v2.1.5