⬆ Bump @tanstack/router-plugin from 1.133.15 to 1.139.12 in /frontend (#2012)

Bumps [@tanstack/router-plugin](https://github.com/TanStack/router/tree/HEAD/packages/router-plugin) from 1.133.15 to 1.139.12. - [Release notes](https://github.com/TanStack/router/releases) - [Commits](https://github.com/TanStack/router/commits/v1.139.12/packages/router-plugin) --- updated-dependencies: - dependency-name: "@tanstack/router-plugin" dependency-version: 1.139.12 dependency-type: direct:development update-type: version-update:semver-minor ... Signed-off-by: dependabot[bot] <support@github.com> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]