This update switch the underlying transcription model from `whisperx` to `faster-whisper`, which enable VAD parameter
tuning.
New features:
- Switch whisperx back to faster-whisper for VAD parameter tuning.
Other Changes:
- Update translation prompt
from https://github.com/machinewrapped/gpt-subtrans/commit/82bd2ca0d868f209d0e0c5f7c04255523daabe3c.
- Change the default parameters of `faster-whisper` for consistent transcription.