chore(compartment-mapper): fix missing type reference

This fixes a missing `SomePackagePolicy` type in `policy.js`.

Author: boneskull

packages/compartment-mapper/src/policy.js

@@ -15,6 +15,7 @@
  *   Attenuator,
  *   SomePolicy,
  *   PolicyEnforcementField,
+ *   SomePackagePolicy,
  * } from './types.js'
  * @import {ThirdPartyStaticModuleInterface} from 'ses'
  */