docs: update CHANGELOG

Author: nicolastemciuc

CHANGELOG.md

@@ -2,6 +2,10 @@
 
 ## Unreleased
 
+### Changed
+
+- Options for getting or creating passkeys and security keys are now served by dedicated Rails controllers and retrieved via JavaScript fetch requests. [#73](https://github.com/cedarcode/devise-webauthn/pull/73) [@nicolastemciuc]
+
 ## [v0.3.0](https://github.com/cedarcode/devise-webauthn/compare/v0.2.2...v0.3.0/) - 2026-01-16
 
 ### Added