docs: update changelog for 7.1.2 release (#2201)

Author: rkaraivanov

CHANGELOG.md

@@ -4,10 +4,10 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/)
 and this project adheres to [Semantic Versioning](http://semver.org/).
 
-## [Unreleased]
+## [7.1.2] - 2026-04-22
 ### Changed
 - #### AI-Assisted Development
-  - Updated and enhanced the library provided skills [#2189](https://github.com/IgniteUI/igniteui-webcomponents/pull/2189) [#2195](https://github.com/IgniteUI/igniteui-webcomponents/pull/2195)
+  - Updated and enhanced the library provided skills [#2189](https://github.com/IgniteUI/igniteui-webcomponents/pull/2189) [#2195](https://github.com/IgniteUI/igniteui-webcomponents/pull/2195) [#2198](https://github.com/IgniteUI/igniteui-webcomponents/pull/2198)
 - #### Button group
   - Themes colors alignment [#2182](https://github.com/IgniteUI/igniteui-webcomponents/pull/2182)
 - #### Circular progressbar
@@ -1306,6 +1306,7 @@ Initial release of Ignite UI Web Components
 - Ripple component
 - Switch component
 
+[7.1.2]: https://github.com/IgniteUI/igniteui-webcomponents/compare/7.1.1...7.1.2
 [7.1.1]: https://github.com/IgniteUI/igniteui-webcomponents/compare/7.1.0...7.1.1
 [7.1.0]: https://github.com/IgniteUI/igniteui-webcomponents/compare/7.0.1...7.1.0
 [7.0.1]: https://github.com/IgniteUI/igniteui-webcomponents/compare/7.0.0...7.0.1