Prep min version note

Author: aliu39

docs/platforms/python/integrations/featureflags/index.mdx

@@ -10,7 +10,7 @@ The Feature Flags integration allows you to manually track feature flag evaluati
 
 ## Install
 
-Install `sentry-sdk` from PyPI.
+Install `sentry-sdk` (>=TODO:) from PyPI.
 
 ```bash
 pip install --upgrade 'sentry-sdk'