fix: use the correct name of stop campaign

Author: mogita

getstream/chat/async_rest_client.py

@@ -92,8 +92,8 @@ async def start_campaign(
             json=json,
         )
 
-    @telemetry.operation_name("getstream.api.chat.schedule_campaign")
-    async def schedule_campaign(
+    @telemetry.operation_name("getstream.api.chat.stop_campaign")
+    async def stop_campaign(
         self,
         id: str,
     ) -> StreamResponse[CampaignResponse]:

getstream/chat/rest_client.py

@@ -92,8 +92,8 @@ def start_campaign(
             json=json,
         )
 
-    @telemetry.operation_name("getstream.api.chat.schedule_campaign")
-    def schedule_campaign(
+    @telemetry.operation_name("getstream.api.chat.stop_campaign")
+    def stop_campaign(
         self,
         id: str,
     ) -> StreamResponse[CampaignResponse]: