##### SUMMARY
gitlab_project_variable: support hidden/protected variables

##### ISSUE TYPE
- Feature Idea

##### COMPONENT NAME
gitlab_project_variable
- Create or delete project variable.
      - Possible values are present and absent.
    default: present
    type: str
    choices: ["present", "absent"]
  api_token:
    description:
      - GitLab access token with API permissions.
    required: true
    type: str
  project:
    description:
      - The path and name of the project.
    required: true
    type: str
  purge:
    description:
      - When set to true, all variables which are not untouched in the task will be deleted.
    default: false
    type: bool
  vars:
    description:
      - A list of key value pairs.
    default: {}
    type: dict
'''
EXAMPLES = '''
- name: Set or update some CI/CD variables
  gitlab_project_variable:
    api_url: https://gitlab.com