Update CHANGELOG

Author: solnic

CHANGELOG.md

@@ -14,6 +14,7 @@
   ```
 - Only expose `active_storage` keys on span data if `send_default_pii` is on ([#2589](https://github.com/getsentry/sentry-ruby/pull/2589))
 - Add `Sentry.capture_log` ([#2606](https://github.com/getsentry/sentry-ruby/pull/2606))
+- Add a new `Sentry.logger` API for Structured Logging (beta) ([#2620](https://github.com/getsentry/sentry-ruby/pull/2620))
 
 ### Bug Fixes