Add new supported password hash types

[alastair]

Fixes #460

Description

The types in the python library didn't match the list of valid hash types at https://workos.com/docs/migrate/other-services/2-importing-users-into-workos/importing-passwords

Documentation

Does this require changes to the WorkOS Docs? E.g. the API Reference or code snippets need updates.

[ ] Yes

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