chore: update OpenAPI specs to v239.71.0 (#2148)

Co-authored-by: GH Action CI Stream <ci@stream.io>

Author: stream-ci-bot

openapi/chat-openapi-clientside.json

@@ -12936,7 +12936,8 @@ components:
         failure_reason:
           description: 'Why sending the message failed. Only set when status is failed.
             One of: banned, no_permission, channel_frozen, channel_deleted, user_deleted,
-            moderation_blocked, hook_rejected, expired, internal_error, invalid_message'
+            moderation_blocked, hook_rejected, expired, internal_error, invalid_message,
+            pending_not_supported'
           title: Failure reason
           type: string
           x-stream-index: "007"
@@ -17621,7 +17622,7 @@ components:
       type: apiKey
 info:
   title: Stream API
-  version: v239.70.0
+  version: v239.71.0
 openapi: 3.0.3
 paths:
   /app: