add backend to workflow

Signed-off-by: Ashraf Fouda <[email protected]>

Author: ashraffouda

.github/workflows/grid-deploy.yaml

@@ -26,6 +26,7 @@ jobs:
         with:
           token: ${{ secrets.HUB_JWT }}
           baseurl: "https://v4.hub.grid.tf"
+          backend: "v4.hub.grid.tf:9941"
           action: crosslink
           user: tf-zos
           name: ${{ github.event.inputs.grid }}