Update jackson-version

Author: renovate[bot]

project.clj

@@ -101,7 +101,7 @@
 (def kitchensink-version "3.5.3")
 (def trapperkeeper-version "4.3.0")
 (def trapperkeeper-webserver-jetty10-version "1.1.0")
-(def jackson-version "2.15.4")
+(def jackson-version "2.20")
 (def i18n-version "1.0.2")
 (def slf4j-version "2.0.17")
 (defproject org.openvoxproject/puppetdb pdb-version