Upgrade @metamask/transaction-pay-controller to version 7.0.0

A new major version of `@metamask/transaction-pay-controller`, 7.0.0, 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 project’s dependency manifests for @metamask/transaction-pay-controller and confirm whether it is present. If so, update it to 7.0.0 and run the existing mobile checks to verify the upgrade; if it is absent, confirm that no change is needed.

Written by the indexing model from the issue text.