build(deps): bump respec from 26.2.0 to 26.4.1
build(deps): bump respec from 26.2.0 to 26.4.1

Bumps [respec](https://github.com/w3c/respec) from 26.2.0 to 26.4.1.
- [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/v26.2.0...v26.4.1)

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@github.com>
w3c/spec-generator,w3c/spec-generator,w3c/spec-generator