No, you cannot enable native HTTPS directly in SonarQube. SonarQube n does not support native HTTPS configuration out of the box. You must still use a reverse proxy, such as Nginx or Apache, to serve SonarQube over HTTPS.
Additionally, your version is past EOL. You should update to either the latest version or the current LTA (long-term active version) at your earliest convenience. Your update path is: