Reformat Markdown code blocks (#12795)

Signed-off-by: Glenn Jocher <glenn.jocher@ultralytics.com>
Co-authored-by: UltralyticsAssistant <web@ultralytics.com>

docs/en/integrations/mlflow.md

@@ -42,7 +42,7 @@ Make sure that MLflow logging is enabled in Ultralytics settings. Usually, this
         from ultralytics import settings
 
         # Update a setting
-        settings.update({'mlflow': True})
+        settings.update({"mlflow": True})
 
         # Reset settings to default values
         settings.reset()