Okdata-sdk

* New method `TeamClient.get_user_by_username` for looking up Keycloak users.
* New method `TeamClient.update_team_members` for adding and/or removing
members to/from a team.

* Fixed a bug in `TeamClient.update_team_attribute` when `value` is falsy.

* New parameter `include` added to `TeamClient.get_teams`.
* New method `TeamClient.get_team_members` for getting the members of a team.
* New methods `TeamClient.update_team_name` and
`TeamClient.update_team_attribute` for updating team names and their
attributes, respectively.

* New method `TeamClient.get_team_by_name`.
* Fixed a deprecation warning from urllib3.

* A new client class `TeamClient` for retrieving information about teams has
been added.
* The classes `PostEvent`, `EventStreamClient`, and `ElasticsearchQueries` for
working with event streams have all been removed.
* The `WebhookClient` class for managing webhooks has been removed.
* The `SimpleDatasetAuthorizerClient` class was deprecated and has been removed.

* Added support for Python 3.10.
* Dropped support for Python 3.6.