v6.2 Edge Case Improvements

• VAD training paradigm reworked;
• Overall slight quality improvement (no metrics update);
• Higher stability on OOD / rare / strange / unique data;
• Significant quality improvements on various known edge cases:
  • Unusual voices
  • Child voices
  • Cartoon voices
  • Muted voices
  • Muted speech
  • Lower quality phone calls

What's Changed

• Fix type hint for min_silence_at_max_speech (float -> int) by @Purfview in #714
• Adamnsandle by @adamnsandle in #717
• Adamnsandle by @adamnsandle in #719

Full Changelog: v6.1...v6.2