[Key Vault] Update changelog for keys 4.4.0b3
# Release History
-## 4.4.0b3 (Unreleased)
-
+## 4.4.0b3 (2021-3-10)
+### Added
+- `CryptographyClient` will perform all operations locally if initialized with
+ the `.from_jwk` factory method
+ ([#16565](https://github.com/Azure/azure-sdk-for-python/pull/16565))
+- Added requirement for six>=1.11.0
## 4.4.0b2 (2021-2-10)
### Fixed
