message: feat(elements): update package.json with latest
  PR Close
diff: "author": "angular",
  "license": "MIT",
  "dependencies": {
  - "tslib": "^1.7.1"
  + "tslib": "^1.9.0"
  },
  "peerDependencies": {
  "@angular/core": "0.0.0-PLACEHOLDER",
  "repository": {
  "type": "git",
  "url": "https://github.com/angular/angular.git"
  - }
  + },
  + "ng-update": {
  + "packageGroup": "NG_UPDATE_PACKAGE_GROUP"
  + },
  + "sideEffects": false
  }
  