CHANGELOG.md: Update

CHANGELOG.md

@@ -4,8 +4,10 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 
 ## [Unreleased]
+* csharp-ls will now use and require .NET 8 runtime/SDK
+  - PR by @BeauCranston in https://github.com/razzmatazz/csharp-language-server/pull/122
 * Add support for textDocument/typeDefinition
-  - By @rudiejd in https://github.com/razzmatazz/csharp-language-server/pull/123
+  - PR by @rudiejd in https://github.com/razzmatazz/csharp-language-server/pull/123
 
 ## [0.10.0] - 2023-11-04 / Seirijai
 * Upgrade dependencies: Roslyn, ICSharpCode.Decompiler, Microsoft.Build;