Update to jackson-databind 2.9.9.2

Fixes gh-7199

gradle/dependency-management.gradle

@@ -42,7 +42,7 @@ dependencyManagement {
 		dependency 'ch.qos.logback:logback-core:1.2.3'
 		dependency 'com.fasterxml.jackson.core:jackson-annotations:2.9.8'
 		dependency 'com.fasterxml.jackson.core:jackson-core:2.9.8'
-		dependency 'com.fasterxml.jackson.core:jackson-databind:2.9.8'
+		dependency 'com.fasterxml.jackson.core:jackson-databind:2.9.9.2'
 		dependency 'com.fasterxml:classmate:1.3.4'
 		dependency 'com.github.stephenc.jcip:jcip-annotations:1.0-1'
 		dependency 'com.google.appengine:appengine-api-1.0-sdk:1.9.64'