ZOOKEEPER-3761: Upgrade JLine version to 2.14.6
ZOOKEEPER-3761: Upgrade JLine version to 2.14.6

Author: asutosh936 <asutosh.pandya@hotmail.com>

Reviewers: Enrico Olivelli <eolivelli@apache.org>, Mate Szalay-Beko <symat@apache.org>

Closes #1292 from asutosh936/ZOOKEEPER-3761

arshadmohammad/zookeeper,apache/zookeeper,maoling/zookeeper,maoling/zookeeper,hanm/zookeeper,maoling/zookeeper,apache/zookeeper,maoling/zookeeper,hanm/zookeeper,apache/zookeeper,maoling/zookeeper,maoling/zookeeper,apache/zookeeper,hanm/zookeeper,apache/zookeeper,apache/zookeeper,hanm/zookeeper,arshadmohammad/zookeeper,arshadmohammad/zookeeper,hanm/zookeeper,arshadmohammad/zookeeper,arshadmohammad/zookeeper,arshadmohammad/zookeeper,hanm/zookeeper,hanm/zookeeper,arshadmohammad/zookeeper,hanm/zookeeper,apache/zookeeper,maoling/zookeeper,apache/zookeeper,maoling/zookeeper,arshadmohammad/zookeeper