Update changelog

Author: davidwengier

CHANGELOG.md

@@ -4,6 +4,11 @@
 - Debug from .csproj and .sln [#5876](https://github.com/dotnet/vscode-csharp/issues/5876)
 
 # 2.68.x
+* Update Razor to 9.0.0-preview.25125.9 (PR: [#8027](https://github.com/dotnet/vscode-csharp/pull/8027))
+  * Don't send invalid ranges for diagnostics if they do not map (#11555) (PR: [#11555](https://github.com/dotnet/razor/pull/11555))
+  * Fix file path service, and integration tests (#11556) (PR: [#11556](https://github.com/dotnet/razor/pull/11556))
+  * Add ParserOptions and CodeGenerationOptions properties to RazorCodeDocument and rationalize options configuration (#11526) (PR: [#11526](https://github.com/dotnet/razor/pull/11526))
+  * Fix parsing of quotes in attribute names (#11543) (PR: [#11543](https://github.com/dotnet/razor/pull/11543))
 
 # 2.67.x
 * Bump xamlTools to 17.14.35821.62 (PR: [#8001](https://github.com/dotnet/vscode-csharp/pull/8001))