`napi-postinstall` 0.3.1 doesn't exist

I am trying to install + update using bun, in both cases:

```sh
bun update v1.2.22 (6bafe260)
error: GET https://registry.npmjs.org/napi-postinstall/-/napi-postinstall-0.3.1.tgz - 404
```

I checked npm and found it doesn't exist.