Use correct file extension for Haskell suggestions (#9825)

This PR fixes the file extension used for suggesting the Haskell
extension.

Release Notes:

- N/A

Marshall Bowers committed 2y ago

cd32ef64ffc8e0ee90921ee610fc04337f06758b

Parent: b8ef970

Committed by GitHub <noreply@github.com> on 3/26/2024, 6:21:03 PM