doc: add documentation for deprecation properties

PR-URL: https://github.com/nodejs/node/pull/16539
Fixes: https://github.com/nodejs/node/issues/16394


Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Anatoli Papirovski <apapirovski@mac.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>