* Add pylint check for lint.sh
* Change overlapping default from 5second to 1second for SubMaker and util.py
* Default to WordBoundary for edge-playback (from SentenceBoundary)
* Drop SentenceBoundary support (never works properly and too many hacks)
- No longer actually supported by Azure's official SDK for a few years
already
* Stop attempting to correct broken offsets sent back to us by Azure
- Fixes never work properly because AI voice sometimes takes odd pauses
at the start and sometimes doesn't do so. It's never predictable and
cannot be fixed on the library's end.
- Solution is for Microsoft to fix the integer overflow bug they are facing
in the {Word,Sentence}Boundary offsets. It doesn't affect us until we reach
30min long TTS anyway.
* Have edge-tts --list-voices use the configured HTTP proxy
* More misc changes and fixes
