Add missing Symbol.dispose and Symbol.asyncDispose properties (
60c663a)
The spec now explicitly defines both well-known symbol properties on Symbol, including their initial values and non-writable, non-enumerable, non-configurable attributes. This closes a gap in the normative text for the disposal symbols.
Other misc changes
- Updated GitHub Actions workflows to
actions/checkout@v7across build, deploy, formatting, typecheck, IPR, biblio publish, and spellcheck jobs. - Hardened
pr-previewcheckout withallow-unsafe-pr-checkout: truefor trusted preview PRs.