Update Changelog

Author: anchimna

CHANGELOG.md

@@ -4,6 +4,7 @@
 - Debug from .csproj and .sln [#5876](https://github.com/dotnet/vscode-csharp/issues/5876)
 
 # 2.65.x
+Bump xamltools to 17.14.35807.11(PR: [#7976]( https://github.com/dotnet/vscode-csharp/pull/7976))
 
 # 2.64.x
 * Bump xamlTools to 17.14.35730.156 (PR: [#7932](https://github.com/dotnet/vscode-csharp/pull/7941))