chore(deps): update dependency openai to v1.50.2

Author: renovate[bot]

Pipfile

@@ -34,7 +34,7 @@ slack-sdk = "==3.33.1"
 gitpython = "==3.1.43"
 pandas = "==2.2.3"
 matplotlib = "==3.9.2"
-openai = "==1.50.1"
+openai = "==1.50.2"
 "discord.py" = "==2.4.0"
 "misskey.py" = "==4.1.0"
 websockets = "==13.1"