nsqd: nicer tls-min-version help text default
nsqd: nicer tls-min-version help text default

before: "minimum SSL/TLS version acceptable ('ssl3.0', 'tls1.0', 'tls1.1', 'tls1.2' or 'tls1.3') (default 769)"
after:  "minimum SSL/TLS version acceptable ('ssl3.0', 'tls1.0', 'tls1.1', 'tls1.2' or 'tls1.3') (default tls1.0)"

rpau/nsq,rpau/nsq,rpau/nsq,rpau/nsq,rpau/nsq,nsqio/nsq,nsqio/nsq,nsqio/nsq,nsqio/nsq,nsqio/nsq