Update youtube.py

backend/open_webui/retrieval/loaders/youtube.py

@@ -88,7 +88,8 @@ class YoutubeLoader:
                 "http": self.proxy_url,
                 "https": self.proxy_url,
             }
-            log.debug(f"Using proxy URL: {self.proxy_url}...")
+            # Don't log complete URL because it might contain secrets
+            log.debug(f"Using proxy URL: {self.proxy_url[:14]}...")
         else:
             youtube_proxies = None