Minor changelog update (#3321)

Author: shati-patel

extensions/ql-vscode/CHANGELOG.md

@@ -2,7 +2,7 @@
 
 ## [UNRELEASED]
 
-- Stop allowing running MRVA with a query outside of the workspace. [#3302](https://github.com/github/vscode-codeql/pull/3302)
+- Stop allowing running variant analyses with a query outside of the workspace. [#3302](https://github.com/github/vscode-codeql/pull/3302)
 
 ## 1.12.1 - 31 January 2024