`version:` key won't accept semver

Called via `teaxyz/brewkit/actions/setup-brewkit`
```
Run teaxyz/setup@v0
  with:
    prefix: /home/runner/work/pantry/pantry
    version: ~0.32
    +: tea.xyz/brewkit
    chaste: false
determining latest tea version…
fetching tea.xyz@~0.32
404
```