### Summary

Add type hints to `ansible.utils.display::Display`

### Issue Type

Feature Idea

### Component Name

lib/ansible/utils/display.py
- name: ANSIBLE_SCP_EXTRA_ARGS
              version_added: '2.7'
          ini:
            - key: scp_extra_args
              section: ssh_connection
              version_added: '2.7'
          cli:
            - name: scp_extra_args
          default: ''
      sftp_extra_args:
          description: Extra exclusive to the C(sftp) CLI
          type: string
          vars:
              - name: ansible_sftp_extra_args
          env:
            - name: ANSIBLE_SFTP_EXTRA_ARGS
              version_added: '2.7'
          ini:
            - key: sftp_extra_args
              section: ssh_connection
              version_added: '2.7'
          cli:
            - name: sftp_extra_args
          default: ''
      ssh_extra_args:
          description: Extra exclusive to the SSH CLI.
          type: string
          vars:
              - name: ansible_ssh_extra_args
          env: