Create Discussion Comment (legacy)

**Deprecation Notice:** This endpoint route is deprecated and will be removed from the Teams API. We recommend migrating your existing code to use the new [Create a discussion comment](https://docs.github.com/[email protected]/rest/teams/discussion-comments#create-a-discussion-comment) endpoint. Creates a new comment on a team discussion. This endpoint triggers [notifications](https://docs.github.com/[email protected]/github/managing-subscriptions-and-notifications-on-github/about-n...