minor_changes:
  - na_cloudmanager_connector_gcp - make the module idempotent for create and delete.
  - na_cloudmanager_connector_gcp - automatically fetch client_id for delete.
  - na_cloudmanager_connector_gcp - report client_id if connector already exists.
  - all modules - better error reporting if refresh_token is not valid.

bugfixes:
  - na_cloudmanager_connector_gcp - typeError when using proxy certificates.
