Update docker/setup-buildx-action action to v1.6.0

Author: renovate-bot

.github/workflows/ci.yaml

@@ -112,7 +112,7 @@ jobs:
         uses: docker/[email protected]
 
       - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v1.5.1
+        uses: docker/setup-buildx-action@v1.6.0
         with:
           driver-opts: image=moby/buildkit:master