Privacy manifests - User Defaults API reason to include app groups

[nan-li]

Description

One Line Summary

Update Privacy Manifest for Extension and OneSignal usage of User Defaults API reason to include app groups, extensions, and app clips.

Details

Previously:
CA92.1 - Declare this reason to access user defaults to read and write information that is only accessible to the app itself.

Now:
1C8F.1 - Declare this reason to access user defaults to read and write information that is only accessible to the apps, app extensions, and App Clips that are members of the same App Group as the app itself.

SDK clients are instructed to set up app groups is so that some data can be shared in the Notification Service Extension and the main app target.

Motivation

• Addresses [question]: Apple privacy API declaration for User Defaults in OneSignal correct? #1426

Scope

Privacy manifests

Testing

Unit testing

None

Manual testing

None

Affected code checklist

• Notifications
  • Display
  • Open
  • Push Processing
  • Confirm Deliveries
• Outcomes
• Sessions
• In-App Messaging
• REST API requests
• Public API changes - Sort Of

Checklist

Overview

• I have filled out all REQUIRED sections above
• PR does one thing
• Any Public API changes are explained in the PR details and conform to existing APIs

Testing

• I have included test coverage for these changes, or explained why they are not needed
• All automated tests pass, or I explained why that is not possible
• I have personally tested this on my device, or explained why that is not possible

Final pass

• Code is as readable as possible.
• I have reviewed this PR myself, ensuring it meets each checklist item

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This change is