build: update CaretakerConfig import patch

Version 13 branch uses an older version of `@angular/dev-infra-private` where configs were exported from a different location.

.ng-dev/caretaker.ts

@@ -1,4 +1,4 @@
-import { CaretakerConfig } from '@angular/dev-infra-private/ng-dev';
+import { CaretakerConfig } from '@angular/dev-infra-private/ng-dev/caretaker/config';
 
 /** The configuration for `ng-dev caretaker` commands. */
 export const caretaker: CaretakerConfig = {