### Summary

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

### Issue Type

Feature Idea

### Component Name

lib/ansible/utils/display.py
sftp_executable:
          default: sftp
          description:
            - This defines the location of the sftp binary. It defaults to V(sftp) which will use the first binary available in $PATH.
          type: string
          env: [{name: ANSIBLE_SFTP_EXECUTABLE}]
          ini:
          - {key: sftp_executable, section: ssh_connection}
          version_added: "2.6"
          vars:
              - name: ansible_sftp_executable
                version_added: '2.7'
      scp_executable:
          default: scp
          description:
            - This defines the location of the scp binary. It defaults to V(scp) which will use the first binary available in $PATH.
          type: string
          env: [{name: ANSIBLE_SCP_EXECUTABLE}]
          ini:
          - {key: scp_executable, section: ssh_connection}
          version_added: "2.6"
          vars:
              - name: ansible_scp_executable
                version_added: '2.7'
      scp_extra_args:
          description: Extra exclusive to the C(scp) CLI
          type: string
          vars:
              - name: ansible_scp_extra_args
          env: