Support creating and updating content sets

[pahupe]

The Cloud Manager API exposes endpoints to create and to update content sets, see

• https://developer.adobe.com/experience-cloud/cloud-manager/reference/api/#tag/ContentSets/operation/createContentSet
• https://developer.adobe.com/experience-cloud/cloud-manager/reference/api/#tag/ContentSets/operation/updateContentSet

aio cli cloudmanager should also support these operations