build(deps): Bump docker/setup-buildx-action from 1.5.0 to 1.6.0 (#6903)

.github/workflows/docker.yml

@@ -40,7 +40,7 @@ jobs:
           platforms: all
 
       - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v1.5.0
+        uses: docker/setup-buildx-action@v1.6.0
 
       - name: Login to DockerHub
         if: ${{ github.event_name != 'pull_request' }}

.github/workflows/proto-docker.yml

@@ -34,7 +34,7 @@ jobs:
           echo ::set-output name=tags::${TAGS}
 
       - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v1.5.0
+        uses: docker/setup-buildx-action@v1.6.0
 
       - name: Login to DockerHub
         uses: docker/login-action@v1.10.0