feat(wss): add new websocket params

Author: apaparazzi0329

speech-to-text/v1.ts

@@ -280,6 +280,7 @@ namespace SpeechToTextV1 {
     speechDetectorSensitivity?: number;
     backgroundAudioSuppression?: number;
     lowLatency?: boolean;
+    characterInsertionBias?: number;
   }
 }
 

text-to-speech/v1.ts

@@ -149,6 +149,7 @@ namespace TextToSpeechV1 {
     watsonToken?: string;
     voice?: string;
     customizationId?: string;
+    spellOutMode?: string;
     xWatsonLearningOptOut?: boolean;
     xWatsonMetadata?: string;
   }