Debug with upterm

Author: nickcharlton

.github/workflows/diff-check.yml

@@ -24,6 +24,8 @@ jobs:
         with:
           cache: yarn
       - run: yarn install --frozen-lockfile
+      - name: Setup upterm session
+        uses: lhotari/action-upterm@v1
       - uses: nickcharlton/diff-check@main
         with:
           command: |