Add logging for feature flag requests

[thephw]

Description

Adding logging for feature flag requests so we can see how often particular feature flags are being requested.

[thephw]

@vinbarnes can we add logging for the client for each of these calls at this level before the adapter?
https://github.com/deftinc/feature_gate/blob/main/feature_gate/client.py

[thephw]

https://app.clickup.com/t/8688pmnmv