What's Changed
* Fix metrics federation. SAN is required else prometheus complains. by sugarraysam in https://github.com/mt-sre/managed-tenants-cli/pull/23
* modify sss jinja template to accommodate usage of imagesets by ashishmax31 in https://github.com/mt-sre/managed-tenants-cli/pull/24
* Make `--addons-dir` required and provide better error message by sugarraysam in https://github.com/mt-sre/managed-tenants-cli/pull/25