Upgrade @metamask/gator-permissions-controller to version 4.0.0

A new major version of `@metamask/gator-permissions-controller`, 4.0.0, 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.

Search the repository’s dependency manifests for @metamask/gator-permissions-controller and confirm whether the package is present. Update it to version 4.0.0, refresh any affected dependency metadata, and verify the project’s existing checks pass.

Written by the indexing model from the issue text.