Implement users.password.revoke RPC function

[mathemancer]

We need to implement a users.password.revoke RPC function to replace the POST /api/ui/v0/users/{userId}/password_reset/ endpoint.

The function signature should be:

@rpc_method(name='users.password.revoke')
@http_basic_auth_superuser_required
@handle_rpc_exceptions
def revoke(
        *,
        user_id: int,
        password: str,
) -> None:

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