Release preparation for v1.5.11

extensions/ql-vscode/CHANGELOG.md

@@ -1,9 +1,10 @@
 # CodeQL for Visual Studio Code: Changelog
 
-## [UNRELEASED]
+## 1.5.11 - 10 February 2022
 
 - Fix a bug where invoking _View AST_ from the file explorer would not view the selected file. Instead it would view the active editor. Also, prevent the _View AST_ from appearing if the current selection includes a directory or multiple files. [#1113](https://github.com/github/vscode-codeql/pull/1113)
 - Add query history items as soon as a query is run, including new icons for each history item. [#1094](https://github.com/github/vscode-codeql/pull/1094)
+- Allow in-progress query items to be cancelled from the query history view. [#1105](https://github.com/github/vscode-codeql/pull/1105)
 
 ## 1.5.10 - 25 January 2022