[Bitbucket Cloud] Update repository user/groups permissions #1252

Is it currently possible to add or modify users/groups in the Bitbucket repository permissions? This can be accomplished through the API, but I couldn't locate any relevant information in the documentation.

Update User:
https://developer.atlassian.com/cloud/bitbucket/rest/api-group-repositories/#api-repositories-workspace-repo-slug-permissions-config-users-selected-user-id-put

Update Group:
https://developer.atlassian.com/cloud/bitbucket/rest/api-group-repositories/#api-repositories-workspace-repo-slug-permissions-config-groups-group-slug-put