v1.2.0: changes for updated OpenAI transport, and dependency updates

Review comments: make aggregatedBy mandatory, deprecate onBotTranscript

Add bot-output support

Updating to v1.1.0: fixes and new deserialize helper signature

Added `sendText()`, deprecated `appendToContext()`

Content-Type workaround for Pipecat Cloud compat

Fix: ensure ID is correctly set for client requests

Updating README

Generic type for connect params

Add platform version to about client

Removing old debug log

Removing onGenericMessage

CR comments about function calls

Adding protocolVersion for transports

Renaming PipecatError back to RTVIError