Bump web-specs from 3.30.0 to 3.31.0

Bumps [web-specs](https://github.com/w3c/browser-specs) from 3.30.0 to 3.31.0.
- [Release notes](https://github.com/w3c/browser-specs/releases)
- [Commits](https://github.com/w3c/browser-specs/compare/[email protected]@3.31.0)

---
updated-dependencies:
- dependency-name: web-specs
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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