Merge pull request #4537 from open-webui/dependabot/pip/backend/dev/langfuse-2.43.3

chore(deps): bump langfuse from 2.39.2 to 2.43.3 in /backend

backend/requirements.txt

@@ -66,7 +66,7 @@ PyJWT[crypto]==2.9.0
 authlib==1.3.1
 
 black==24.8.0
-langfuse==2.39.2
+langfuse==2.43.3
 youtube-transcript-api==0.6.2
 pytube==15.0.0