Add include_translations parameter to GET conversation endpoint (#290)

Added optional query parameter to retrieve conversation endpoint in unstable API version to enable translation of conversation parts to the detected conversation language.

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-authored-by: Claude <[email protected]>

Author: marcmlc

descriptions/0/api.intercom.io.yaml

@@ -5655,6 +5655,13 @@ paths:
         example: plaintext
         schema:
           type: string
+      - name: include_translations
+        in: query
+        required: false
+        description: If set to true, conversation parts will be translated to the detected language of the conversation.
+        example: true
+        schema:
+          type: boolean
       tags:
       - Conversations
       operationId: retrieveConversation