Upgrade @metamask/gator-permissions-controller to version 5.0.0

A new major version of `@metamask/gator-permissions-controller`, 5.0.0, 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.

Find where @metamask/gator-permissions-controller is declared in the project dependency manifests and inspect the existing lockfile or dependency-update workflow. Upgrade it to version 5.0.0, then run the project's dependency-related checks and tests; done means the project uses the requested version without regressions.

Written by the indexing model from the issue text.