Get reply
Fetch one reply under a thread by reply number.
Endpoints
GET /api/v1/teams/{team_slug}/repos/{repo_slug}/threads/{number}/replies/{reply_number}
GET /api/v1/users/{username}/repos/{repo_slug}/threads/{number}/replies/{reply_number}
Success
200 OK with a single reply JSON object containing the reply metadata, body, links, and creator fields for the requested reply number.