[feature] Add support for the Talk Partner Edition type comment

fixes #691

Author: PierreBtz

src/main/java/org/zendesk/client/v2/model/CommentType.java

@@ -3,7 +3,9 @@
 /** https://developer.zendesk.com/api-reference/ticketing/tickets/ticket_comments/ */
 public enum CommentType {
   COMMENT("Comment"),
-  VOICE_COMMENT("VoiceComment");
+  VOICE_COMMENT("VoiceComment"),
+  // Talk Partner Edition
+  TPE_VOICE_COMMENT("TpeVoiceComment");
 
   private final String name;