bugfixes:
  - gitlab_project_variable - deleted all variables when used with ``purge=true`` due to missing ``raw`` property in KNOWN attributes (https://github.com/ansible-collections/community.general/issues/7250).
  - gitlab_group_variable - deleted all variables when used with ``purge=true`` due to missing ``raw`` property in KNOWN attributes (https://github.com/ansible-collections/community.general/issues/7250).