Update changelog

Author: h2zero

CHANGELOG.md

@@ -1,11 +1,19 @@
 # Changelog
 All notable changes to this project will be documented in this file.
 
+## [Unreleased]
+
+## Fixed
+- Added back `NimBLEClient::connect` overload with `NimBLEAdvertisedDevice` parameter to resolve connection error due to NULL address.
+
 ## [2.2.0] 2025-02-24
 
+## Fixed
+- Crash when calling `NimBLEClient::DiscoverAttributes`.
+
 ## Added
 - Conditional macros for logging.
-- `NimBLEDevicecallbacks` class with a callback for handling bond storage.
+- `NimBLEDeviceCallbacks` class with a callback for handling bond storage.
 
 ## [2.1.1] 2025-01-26