Update CHANGELOG.md

Author: Stefani Moore

CHANGELOG.md

@@ -16,7 +16,8 @@
 * Bump Roslyn to 4.12.0-2.24417.1 (PR: [#7446](https://github.com/dotnet/vscode-csharp/pull/7446))
   * Fix issue projects would fail to load with missing output path error (PR: [#74791](https://github.com/dotnet/roslyn/pull/74791))
   * Expose option to disable completion triggers argument list (PR: [#74792](https://github.com/dotnet/roslyn/pull/74792))
-* Bump xamltools to 17.12.35221.21 (PR: [#7457](https://github.com/dotnet/vscode-csharp/pull/7457))
+* Bump xamltools to 17.12.35223.16 (PR: [#7464](https://github.com/dotnet/vscode-csharp/pull/7464))
+* Added XAML Hot Reload support for x:FactoryMethod and x:Arguments
 
 # 2.44.x
 * Bump Roslyn to 4.12.0-2.24416.3 (PR: [#7448](https://github.com/dotnet/vscode-csharp/pull/7448))