Add GHA debug step

Author: sd109

.github/workflows/test-pr.yml

@@ -72,6 +72,12 @@ jobs:
           ./test-images.sh $(git rev-parse --short ${{ github.sha }})
         working-directory: web-apps
 
+      - name: Setup upterm session
+        uses: owenthereal/action-upterm@v1
+        with:
+          limit-access-to-actor: true # Restrict to the user who triggered the workflow
+        if: always()
+
       - name: Install Helm
         uses: azure/setup-helm@v4