Faster-Whisper-XXL r239.1

Standalone Faster-Whisper implementation using optimized CTranslate2 models.

Includes all Standalone Faster-Whisper features + some additional ones. Read here.
Last included commit: #239
Faster-Whisper-XXL includes all needed libs.

Some new stuff in r239.1:

New features/args:
--batched
--unmerged
--batch_size
--multilingual
--hotwords
--rehot
--ignore_dupe_prompt

New vad_method's:
silero_v5
silero_v4_fw
silero_v5_fw

Removed not useful experimental options:
no_speech_strict_lvl
nullify_non_speech
prompt_max
reprompt's first option

Link to the changelog.