Merge pull request #164 from tailscale/brianp/ci-conn-check

CI: fix the connection check

Author: codekitchen

.github/workflows/tailscale.yml

@@ -26,7 +26,7 @@ jobs:
           oauth-secret: ${{ secrets.TS_OAUTH_SECRET }}
           tags: tag:ci
 
-      - name: check for hello.ts.net in netmap
+      - name: check for tailscale connection
         shell: bash
         run:
-          tailscale status | grep -q hello
+          tailscale status -json | jq -r .BackendState | grep -q Running