[4.5.1]

March 2, 2021

Bug fixes

- Refactored TypeScript type definitions to have `OptimizelyUserContext` and `OptimizelyDecision` imported from `shared_types` to provide isolation from internal modules ([#655](https://github.com/optimizely/javascript-sdk/pull/655))

https://github.com/optimizely/javascript-sdk/releases/tag/v4.5.1