build(deps-dev): 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/[email protected]...@webref/[email protected])

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

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

Author: dependabot[bot]

package-lock.json

@@ -99,7 +99,7 @@
     "@types/yargs": "^17.0.35",
     "@webref/css": "8.0.2",
     "@webref/elements": "^2.5.1",
-    "@webref/idl": "3.68.4",
+    "@webref/idl": "3.69.0",
     "c8": "10.1.3",
     "chai": "4.5.0",
     "chai-as-promised": "8.0.2",