Bump version to v1.3.4 (#580)

Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>

extensions/ql-vscode/CHANGELOG.md

@@ -1,5 +1,7 @@
 # CodeQL for Visual Studio Code: Changelog
 
+## [UNRELEASED]
+
 ## 1.3.3 - 16 September 2020
 
 - Fix display of raw results entities with label but no url.

extensions/ql-vscode/package-lock.json

@@ -1,6 +1,6 @@
 {
   "name": "vscode-codeql",
-  "version": "1.3.3",
+  "version": "1.3.4",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {

extensions/ql-vscode/package.json

@@ -4,7 +4,7 @@
   "description": "CodeQL for Visual Studio Code",
   "author": "GitHub",
   "private": true,
-  "version": "1.3.3",
+  "version": "1.3.4",
   "publisher": "GitHub",
   "license": "MIT",
   "icon": "media/VS-marketplace-CodeQL-icon.png",