docs: update changelog.md

- Add missing date for v12.1.0 - v12.2.0.
- Fix compare link of v11.14.0 - v12.1.0.

CHANGELOG.md

@@ -1,6 +1,6 @@
 # Changelog
 
-## [12.2.0](https://github.com/Instabug/Instabug-React-Native/compare/v12.2.0...v12.1.0)
+## [12.2.0](https://github.com/Instabug/Instabug-React-Native/compare/v12.1.0...v12.2.0) (November 14, 2023)
 
 ### Added
 
@@ -17,7 +17,7 @@
 - Fix an issue with unhandled JavaScript crashes being reported as native iOS crashes ([#1054](https://github.com/Instabug/Instabug-React-Native/pull/1054))
 - Re-enable screenshot capturing for Crash Reporting and Session Replay by removing redundant mapping ([#1055](https://github.com/Instabug/Instabug-React-Native/pull/1055)).
 
-## [12.1.0](https://github.com/Instabug/Instabug-React-Native/compare/v12.1.0...v11.14.0)
+## [12.1.0](https://github.com/Instabug/Instabug-React-Native/compare/v11.14.0...v12.1.0) (October 3, 2023)
 
 ### Added