Upgrade @metamask/profile-sync-controller to version 28.0.0

A new major version of `@metamask/profile-sync-controller`, 28.0.0, is now available. This issue has been assigned to you and your team because you code-own this package in the `core` repo. If this package is present in this project, please prioritize upgrading it soon to unblock new features and bugfixes.

Locate the dependency manifests in the metamask-mobile repository and check whether @metamask/profile-sync-controller is present. Review the package's 28.0.0 release requirements, update the dependency if applicable, then run the relevant project checks to confirm the upgrade works.

Written by the indexing model from the issue text.