Upgrade @metamask/transaction-pay-controller to version 16.0.0

A new major version of `@metamask/transaction-pay-controller`, 16.0.0, 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.

No files or tests are named. First locate the project's declaration of @metamask/transaction-pay-controller and confirm whether it is present; then review the package's major-version compatibility requirements before updating the dependency and its lockfile. Done means the project uses version 16.0.0 and its relevant validation passes.

Written by the indexing model from the issue text.