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/vscode-custom-editor-tests/src/test/index.ts

@@ -4,7 +4,7 @@
  *--------------------------------------------------------------------------------------------*/
 
 const path = require('path');
-const testRunner = require('vscode/lib/testrunner');
+const testRunner = require('../../../../test/integration/electron/testrunner');
 
 const suite = 'Custom Editor Tests';