Add changelog entry (#129)

* Add changelog entry

Author: saperi22

CHANGELOG.md

@@ -1,5 +1,9 @@
 # browser-switch-android Release Notes
 
+## unreleased
+  * Add parameterized constructor `BrowserSwitchClient(ActivityResultRegistry)` for AuthTab support on Jetpack Compose
+  * Bump `androidx.browser` to `1.10.0-alpha02`
+
 ## 3.4.0
 
 * Add `forceChromeCustomTabs` boolean parameter to `BrowserSwitchClient.start()`