### Summary

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

### Issue Type

Feature Idea

### Component Name

lib/ansible/utils/display.py
ssh_common_args:
          description: Common extra args for all SSH CLI tools.
          type: string
          ini:
              - section: 'ssh_connection'
                key: 'ssh_common_args'
                version_added: '2.7'
          env:
              - name: ANSIBLE_SSH_COMMON_ARGS
                version_added: '2.7'
          vars:
              - name: ansible_ssh_common_args
          cli:
              - name: ssh_common_args
          default: ''
      ssh_executable:
          default: ssh
          description:
            - This defines the location of the SSH binary. It defaults to V(ssh) which will use the first SSH binary available in $PATH.
            - This option is usually not required, it might be useful when access to system SSH is restricted,
              or when using SSH wrappers to connect to remote hosts.
          type: string
          env: [{name: ANSIBLE_SSH_EXECUTABLE}]
          ini:
          - {key: ssh_executable, section: ssh_connection}
          #const: ANSIBLE_SSH_EXECUTABLE
          version_added: "2.2"
          vars:
              - name: ansible_ssh_executable
                version_added: '2.7'