Add ability to resend invitation (#1387)

Toward AUTH-5512.

## Description

This adds support for the new resend invitation endpoint.

It can be used like this:

```js
await workos.userManagement.resendInvitation(
  'invitation_01E4ZCR3C56J083X43JQXF3JK5',
);
```

## Documentation

Does this require changes to the WorkOS Docs? E.g. the [API
Reference](https://workos.com/docs/reference) or code snippets need
updates.

```
[x] Yes
```

If yes, link a related docs PR and add a docs maintainer as a reviewer.
Their approval is required.

https://github.com/workos/workos/pull/47145