Risk Labels


Rollback Plan
-------------
**If this pull request requires anything more complex (e.g., rolling back a migration), you MUST update this section. Otherwise, delete this note.**

To roll back this change, revert the merge with `git revert -m 1 MERGE_SHA` and perform another deploy.

URLs
----

QA Plan
-------
Run op pull-request, make sure it asks you a question about labels. then check to make sure the label got made.

At some point we might want to support multiple labels but one is fine for now.