add changelog entries for #310 and #311

Author: legobeat

CHANGELOG.md

@@ -10,6 +10,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Changed
 - **BREAKING**: Bump `@metamask/obs-store` from `^8.1.0` to `^9.0.0` ([#306](https://github.com/MetaMask/KeyringController/pull/306))
   - The `store` and `memStore` properties now expose streams confirming to `readable-stream@^3.6.2`
+- **BREAKING**: Replace `GenericEncryptor.updateVault` with `GenericEncryptor.isVaultUpdated` ([#310](https://github.com/MetaMask/KeyringController/pull/310)))
+- Bump `@metamask/browser-passworder` from `^4.2.0` to `^4.3.0` ([#310](https://github.com/MetaMask/KeyringController/pull/310) [#311](https://github.com/MetaMask/KeyringController/pull/311))
 
 ### Fixed
 - Prefer cached `encryptionKey` over password when possible ([#307](https://github.com/MetaMask/KeyringController/pull/307))