* fixes from testing with translator app
* more updates
* linting
* update gh actions to node 20
* add support for google v2 preconfigured recognizer
* add support for google voice activity events
* update to speech-utils@0.0.45
* update speech-utils to support caching azure tts
* transcribe must buffer transcripts for channel 1 and 2 separately
* further fix for accumulating transcripts
* linting
* deepgram sends transcripts with empty alternatives array
* fix deepgram returning an empty array