Community[patch]: Missing "stream" parameter in cloudflare_workersai (l…

…angchain-ai#23987)

### Description
Missing "stream" parameter. Without it, you'd never receive a stream of
tokens when using stream() or astream()

### Issue
No existing issue available

libs/community/langchain_community/llms/cloudflare_workersai.py

@@ -70,7 +70,9 @@ def _call_api(self, prompt: str, params: Dict[str, Any]) -> requests.Response:
         """Call Cloudflare Workers API"""
         headers = {"Authorization": f"Bearer {self.api_token}"}
         data = {"prompt": prompt, "stream": self.streaming, **params}
-        response = requests.post(self.endpoint_url, headers=headers, json=data)
+        response = requests.post(
+            self.endpoint_url, headers=headers, json=data, stream=self.streaming
+        )
         return response
 
     def _process_response(self, response: requests.Response) -> str: