message: point at other packages in monorepo
diff: {
  "name": "@cardstack/mock-auth",
  - "version": "0.3.0",
  + "version": "0.3.1",
  "description": "mock user authentication plugin for Cardstack",
  "keywords": [
  "ember-addon",
  "test": "ember try:each"
  },
  "dependencies": {
  - "@cardstack/authentication": "^0.2.11",
  - "@cardstack/plugin-utils": "^0.2.11",
  + "@cardstack/authentication": "0.3.1",
  + "@cardstack/plugin-utils": "0.3.0",
  "ember-cli-babel": "^6.8.2",
  "ember-cli-htmlbars": "^2.0.1",
  "ember-concurrency": "^0.7.19",
  