[release] 0.31.0 - Support for polling from adapter (#249)

Add support for polling directly from the data adapter.
To enable, you can override the `should_be_used_for_querying_updates`
interface to return `true` for the key `statsig.cache`





>Included In This Release
>- 23901b2 kat-statsig
>   - add support for polling data adapter (#244)

statsig/version.py

@@ -1 +1 @@
-__version__ = '0.30.0'
+__version__ = '0.31.0'