Bump docker/setup-buildx-action from 1 to 1.3.0

Bumps [docker/setup-buildx-action](https://github.com/docker/setup-buildx-action) from 1 to 1.3.0.
- [Release notes](https://github.com/docker/setup-buildx-action/releases)
- [Commits](https://github.com/docker/setup-buildx-action/compare/v1...v1.3.0)

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

.github/workflows/publish.yml

@@ -16,7 +16,7 @@ jobs:
       - name: Set up QEMU
         uses: docker/setup-qemu-action@v1
       - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v1
+        uses: docker/setup-buildx-action@v1.3.0
       - name: Login to DockerHub
         uses: docker/login-action@v1
         with: