Add TeamdriveModifyJob and update teamdrive example to allow renaming a Team Drive.

Summary: Add TeamdriveModifyJob and add missing setters to Teamdrive.

Test Plan: Add TeamdriveModifyJobTest for Team Drive renaming test and update team drive example allowing to rename selected Team Drives.

Reviewers: dvratil

Reviewed By: dvratil

Subscribers: kde-pim, #libkgapi

Tags: #libkgapi, #kde_pim

Maniphest Tasks: T10521

Differential Revision: https://phabricator.kde.org/D19836