add tmate session for debugging

Author: jedwards4b

.github/workflows/pylint.yml

@@ -98,3 +98,8 @@ jobs:
           ESMFMKFILE: ${{ env.ESMFMKFILE }}
           LD_LIBRARY_PATH: ${{ env.ESMF_INSTALL_PREFIX }}/lib:${{ env.LD_LIBRARY_PATH }}
         run: poetry run pytest -q
+#     the following can be used by developers to login to the github server in case of errors
+#     see https://github.com/marketplace/actions/debugging-with-tmate for further details
+      - name: Setup tmate session
+        if: ${{ failure() }}
+        uses: mxschmitt/action-tmate@v3