chore(vscode): update to 1.53.2

These conflicts will be resolved in the following commits. We do it this way so
that PR review is possible.

lib/vscode/build/lib/typings/gulp-cssnano.d.ts

@@ -1,12 +0,0 @@
-
-declare module "gulp-cssnano" {
-	function f(opts:{reduceIdents:boolean;}): NodeJS.ReadWriteStream;
-
-	/**
-	 * This is required as per:
-	 * https://github.com/microsoft/TypeScript/issues/5073
-	 */
-	namespace f {}
-
-	export = f;
-}