Bump respec from 25.11.0 to 25.13.0
Bump respec from 25.11.0 to 25.13.0

Bumps [respec](https://github.com/w3c/respec) from 25.11.0 to 25.13.0.
- [Release notes](https://github.com/w3c/respec/releases)
- [Changelog](https://github.com/w3c/respec/blob/develop/CHANGELOG.md)
- [Commits](https://github.com/w3c/respec/compare/v25.11.0...v25.13.0)

Signed-off-by: dependabot-preview[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
tidoust/reffy,tidoust/reffy