v3.0.0

• Add support for sherpa-onnx and Nvidia's parakeet model
• Add support for GigaAM for Russian via onnx-asr
• Add --stt-library to select speech-to-text library (deprecate --use-transformers)
• Default --model to "auto" (prefer parakeet)
• Add Docker build here
• Default --language to "auto"
• Add --cpu-threads for faster-whisper (@Zerwin)