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/extensions/testing-editor-contributions/extension-browser.webpack.config.js

@@ -0,0 +1,22 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the MIT License. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+
+//@ts-check
+
+'use strict';
+
+const withBrowserDefaults = require('../shared.webpack.config').browser;
+const path = require('path');
+
+module.exports = withBrowserDefaults({
+	context: __dirname,
+	entry: {
+		extension: './src/extension.ts'
+	},
+	output: {
+		filename: 'extension.js',
+		path: path.join(__dirname, 'dist')
+	}
+});