chore: update changelog

Author: porcellus

CHANGELOG.md

@@ -7,8 +7,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [unreleased]
 
+## [0.50] - 2025-08-11
+
 -   Add WebAuthn credential management methods: `listCredentials`, `removeCredential`
--   Added `registerCredentialWithUser` method that creates and registers a credential with a user
+-   Added `createAndRegisterCredentialWithUser` method that creates and registers a credential with a user
 
 ### Breaking changes