VS Code: Release 1.1.1 (#2668)

VS Code: Release 1.1.1 release update

## Test plan

<!-- Required. See
https://sourcegraph.com/docs/dev/background-information/testing_principles.
-->

version update

vscode/package.json

@@ -2,7 +2,7 @@
   "name": "cody-ai",
   "private": true,
   "displayName": "Cody AI",
-  "version": "1.1.0",
+  "version": "1.1.1",
   "publisher": "sourcegraph",
   "license": "Apache-2.0",
   "icon": "resources/cody.png",