Escape code block in changelog

Author: dibarbet

CHANGELOG.md

@@ -38,7 +38,7 @@
 # 2.50.25
 * Update Roslyn to 4.13.0-1.24477.2 (PR: [#<>](https://github.com/dotnet/vscode-csharp/pull/<>))
   * Use MSBuild globs to determine which file changes are relevant (PR: [#75139](https://github.com/dotnet/roslyn/pull/75139))
-  * Allow <code> in DocComments to render as a block in Hover response (PR: [#75215](https://github.com/dotnet/roslyn/pull/75215))
+  * Allow `<code>` in DocComments to render as a block in Hover response (PR: [#75215](https://github.com/dotnet/roslyn/pull/75215))
   * Ignore irrelevant exceptions when reporting LSP server NFW (PR: [#75150](https://github.com/dotnet/roslyn/pull/75150))
 * Bumped xamltools to 17.12.35326.17 (PR: [#7610](https://github.com/dotnet/vscode-csharp/pull/7610))
 * Do not remove documents if they are not files (PR: [#7607](https://github.com/dotnet/vscode-csharp/pull/7607))