added tailscale login with ACL tag to workflow (#52)

Author: virajmehta

.github/workflows/ci-failure-diagnosis.yml

@@ -17,6 +17,13 @@ jobs:
     runs-on: ubuntu-latest
     name: Gather failure context and generate PR
     steps:
+      - name: Connect to Tailscale
+        uses: tailscale/github-action@v2
+        with:
+          oauth-client-id: ${{ secrets.CI_BOT_TS_OAUTH_CLIENT_ID }}
+          oauth-secret: ${{ secrets.CI_BOT_TS_OAUTH_CLIENT_SECRET }}
+          tags: tag:ci
+
       - name: Checkout TensorZero config file
         uses: actions/checkout@v5
         with: