message: refactor: update `master` branch to `13.2.0-next.0`
  This allows the `ng-dev` tool to accept the `13.1.x` branch as a minor release which doesn't conflict with `master`.
diff: {
  "name": "nguniversal",
  "main": "index.js",
  - "version": "13.1.0-next.1",
  + "version": "13.2.0-next.0",
  "private": true,
  "description": "Universal (isomorphic) JavaScript support for Angular",
  "homepage": "https://github.com/angular/universal",
  