Bump @webref/idl from 3.68.4 to 3.69.0

Bumps [@webref/idl](https://github.com/w3c/webref) from 3.68.4 to 3.69.0.
- [Commits](https://github.com/w3c/webref/compare/@webref/idl@3.68.4...@webref/idl@3.69.0)

---
updated-dependencies:
- dependency-name: "@webref/idl"
  dependency-version: 3.69.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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Author: dependabot[bot]