feat: Replace torchaudio with pydub

[h3110Fr13nd]

This PR closes #370 This PR closes #380

feat: Replace torchaudio with pydub refactor: Removed unnecessary dependencies

Removed Requirements

• python-dateutil
• tiktoken
• torchaudio
• scipy
• tokenizers
• huggingface-hub
• sentence-transformers
• optimum[onnxruntime]

Major Changes in This Commit

• torchaudio to pydub
  • bolna/helpers/utils.py
    • save_audio_file_to_s3
    • resample
    • pcm_to_wav_bytes
    • wav_bytes_to_pcm
  • bolna/synthesizer/basesynthesizer
    • resample
• sklearn to np
  • bolna/memory/cache/vector_cache
    • __get_top_cosine_similarity_doc

Issue #370 closes as we are replacing both scipy and torchaudio with pydub