(ITHELP-116185) Add delay for Twingate network connection

To help with the intermittent DNS issues, this PR adds a 30 second
delay between the Twingate connection step and the next step.

Author: AriaXLi

.github/workflows/task_acceptance_tests.yaml

@@ -28,6 +28,9 @@ jobs:
         with:
           service-key: ${{ secrets.TWINGATE_PUBLIC_REPO_KEY }}
 
+      - name: Add delay for network connection
+        run: sleep 30
+
       - name: Checkout current PR code
         uses: actions/checkout@v4