Bump respec from 35.1.1 to 35.6.0

Bumps [respec](https://github.com/speced/respec) from 35.1.1 to 35.6.0.
- [Release notes](https://github.com/speced/respec/releases)
- [Changelog](https://github.com/speced/respec/blob/main/CHANGELOG.md)
- [Commits](speced/respec@v35.1.1...v35.6.0)

---
updated-dependencies:
- dependency-name: respec
  dependency-version: 35.6.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]