Upgrade @metamask/signature-controller to version 35.0.0

A new major version of `@metamask/signature-controller`, 35.0.0, 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/signature-controller and inspect how its current version is recorded. Update the dependency to 35.0.0, then run the repository's relevant dependency or validation checks; done means the project resolves the requested version without regressions.

Written by the indexing model from the issue text.