🦉 Updates from OwlBot post-processor

See https://github.com/googleapis/repo-automation-bots/blob/main/packages/owl-bot/README.md

pandas_gbq/gbq.py

@@ -1461,7 +1461,7 @@ def create_user_agent(
     Returns (str):
         Customized user agent string.
 
-    Deprecation Warning: 
+    Deprecation Warning:
         In a future major release, the default delimiter will be changed to
         a `/` in accordance with RFC9110.
     """