FR: use-output-decorator

[rafaelss95]

Description and reproduction of the issue
Currently if we have an EventEmitter without @Output() it doesn't work as expected (sometimes we just forget to annotate the properties 😄 ).

export class AppComponent  {
  // Note that the `@Output` is missing
  readonly test = new EventEmitter<void>();
}

<my-app (test)="test()"></my-app>

The rule should find EventEmitter occurrences without @Output decorator and fix it.

Reproduction:
https://stackblitz.com/edit/angular-ivy-xsxvax