Bump @yeoman/adapter from 1.6.0 to 2.0.0

Bumps [@yeoman/adapter](https://github.com/yeoman/yeoman-api) from 1.6.0 to 2.0.0.
- [Release notes](https://github.com/yeoman/yeoman-api/releases)
- [Commits](https://github.com/yeoman/yeoman-api/commits/@yeoman/[email protected])

---
updated-dependencies:
- dependency-name: "@yeoman/adapter"
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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