Update release.yaml

Author: zachmann

.github/workflows/release.yaml

@@ -18,6 +18,15 @@ jobs:
         uses: actions/setup-go@v2
         with:
           go-version: 1.16
+      -
+        name: Docker Login
+        uses: docker/[email protected]
+        with:
+          # Server address of Docker registry. If not set then will default to Docker Hub
+          # registry: # optional
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+
       -
         name: Run GoReleaser
         uses: goreleaser/goreleaser-action@v2