ci: add a checkbox to the PR template
@@ -26,7 +26,7 @@ You may intentionally leave this section blank and remove the title.
## Checklist
-
+- [ ] Changes have been manually QA'd
- [ ] User-facing API changes need the "User-facing API Change" label.
- [ ] Release notes should be added as a separate file under `docs/release-notes/`.
See [Release Note](https://github.com/determined-ai/determined/blob/master/docs/release-notes/README.md) for details.
