Add BYOK intent to portal (#1496)

## Description
Add BringYourOwnKey intent to the Admin Portal 

## 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.

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Co-authored-by: Garen J. Torikian <gjtorikian@users.noreply.github.com>