Bump ty from 0.0.1a19 to 0.0.1a20

Bumps [ty](https://github.com/astral-sh/ty) from 0.0.1a19 to 0.0.1a20.
- [Release notes](https://github.com/astral-sh/ty/releases)
- [Changelog](https://github.com/astral-sh/ty/blob/main/CHANGELOG.md)
- [Commits](astral-sh/ty@0.0.1-alpha.19...0.0.1-alpha.20)

---
updated-dependencies:
- dependency-name: ty
  dependency-version: 0.0.1a20
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]