Update CHANGELOG.md

Author: jpnurmi

CHANGELOG.md

@@ -5,6 +5,7 @@
 **Features**:
 
 - Auto-populate `event.user.id` with a persistent per-installation UUID when no explicit user ID is set. ([#1661](https://github.com/getsentry/sentry-native/pull/1661))
+- Add `sentry_get_last_crash` to allow fetching `event_id` from last crash. ([#1711](https://github.com/getsentry/sentry-native/pull/1711))
 
 ## 0.14.0