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##### SUMMARY
<!--- Explain the problem briefly below -->

`python-gitlab` library release a new version [v1.13.0](https://github.com/python-gitlab/python-gitlab/releases/tag/v1.13.0). User/Password authentication as been removed completely causing all Ansible GitLab module to fail... 

##### ISSUE TYPE
- Bug Report

##### COMPONENT NAME
<!--- Write the short name of the module, plugin, task or feature below, use your best guess if unsure -->

gitlab_group
gitlab_deploy_key
gitlab_hook
gitlab_project
gitlab_project_variable
gitlab_runner
gitlab_user

##### ANSIBLE VERSION
<!--- Paste verbatim output from "ansible --version" between quotes -->
All versions

job_events:
    description:
      - Trigger hook on job events.
    type: bool
    default: no
  pipeline_events:
    description:
      - Trigger hook on pipeline events.
    type: bool
    default: no
  wiki_page_events:
    description:
      - Trigger hook on wiki events.
    type: bool
    default: no
  hook_validate_certs:
    description:
      - Whether GitLab will do SSL verification when triggering the hook.
    type: bool
    default: no
    aliases: [ enable_ssl_verification ]
  token:
    description:
      - Secret token to validate hook messages at the receiver.
      - If this is present it will always result in a change as it cannot be retrieved from GitLab.
      - Will show up in the X-GitLab-Token HTTP request header.
    required: false
    type: str
'''
EXAMPLES = '''