feat(stt): add character insertion bias parameter support

[Festlandtommy]

Summary

The IBM Speech-To-Text API features multiple query parameters for recognition. "Character insertion bias" is not yet supported by this SDK.

This PR adds it to "CreateJobOptions" and "RecognizeOptions".

https://cloud.ibm.com/docs/speech-to-text?topic=speech-to-text-parsing#insertion-bias