Fix preset import path for jest-preset-angular in setup-jest.ts

[inorganik]

Several versions back, jest-preset-angular changed the location of the preset used in setup-jest.ts

Before
import 'jest-preset-angular';

Current
import 'jest-preset-angular/setup-jest';

The schematic needs to the import path updated to the current location, otherwise you get errors like the following because zone isn't included:

"Zone is needed for the waitForAsync() test helper but could not be found..."

To Reproduce

1. Run the schematic on a project.

Expected behavior
Should import from the proper location.

Desktop (please complete the following information):

• OS: Mac and Win
• Node version: 14
• NPM or Yarn version: 6.14.8
• App type: Angular CLI
• Angular version: seen on 10.2 and 12.1
  Additional context
  Add any other context about the problem here.