doc: add tls-min/max options to NODE_OPTIONS

This commit add the --tls-min and --tls-max command line options to the
list of allowed options for the NODE_OPTIONS environment variable.

PR-URL: https://github.com/nodejs/node/pull/28146


Reviewed-By: Sam Roberts <vieuxtech@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: Richard Lau <riclau@uk.ibm.com>