- [New] `sync`/`async`: add 'includeCoreModules' option (#233)
 - [readme] Add possible error types (#232)
 - [Deps] update `is-core-module`
 - [Dev Deps] update `aud`, `eslint`
 - [meta] add Automatic Rebase and Require Allow Edits workflows
 - [Tests] comment out node 15 in appveyor; it’s not available yet
 - [Tests] add node 15 to appveyor, fix "latest npm" logic
 - [Tests] migrate tests to Github Actions