Bump version to v1.5.7

extensions/ql-vscode/CHANGELOG.md

@@ -1,5 +1,7 @@
 # CodeQL for Visual Studio Code: Changelog
 
+## [UNRELEASED]
+
 ## 1.5.6 - 07 October 2021
 
 - Add progress messages to LGTM download option. This makes the two-step process (selecting a project, then selecting a language) more clear. [#960](https://github.com/github/vscode-codeql/pull/960)

extensions/ql-vscode/package-lock.json

@@ -1,6 +1,6 @@
 {
   "name": "vscode-codeql",
-  "version": "1.5.6",
+  "version": "1.5.7",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {

extensions/ql-vscode/package.json

@@ -4,7 +4,7 @@
   "description": "CodeQL for Visual Studio Code",
   "author": "GitHub",
   "private": true,
-  "version": "1.5.6",
+  "version": "1.5.7",
   "publisher": "GitHub",
   "license": "MIT",
   "icon": "media/VS-marketplace-CodeQL-icon.png",