OAK-7609: Update jackson dependencies to 2.9.6
OAK-7609: Update jackson dependencies to 2.9.6

git-svn-id: 67138be12999c61558c3dd34328380c8e4523e73@1835060 13f79535-47bb-0310-9956-ffa450edef68

catholicon/jackrabbit-oak,catholicon/jackrabbit-oak,catholicon/jackrabbit-oak,catholicon/jackrabbit-oak,catholicon/jackrabbit-oak