Upgrade to Checkstyle 8.29 and Apache Johnzon 1.2.3

build.gradle

@@ -84,7 +84,7 @@ configure(allprojects) { project ->
 				exclude group: "xpp3", name: "xpp3_min"
 				exclude group: "xmlpull", name: "xmlpull"
 			}
-			dependency "org.apache.johnzon:johnzon-jsonb:1.2.2"
+			dependency "org.apache.johnzon:johnzon-jsonb:1.2.3"
 			dependency("org.codehaus.jettison:jettison:1.3.8") {
 				exclude group: "stax", name: "stax-api"
 			}
@@ -333,7 +333,7 @@ configure([rootProject] + javaProjects) { project ->
 	}
 
 	checkstyle {
-		toolVersion = "8.28"
+		toolVersion = "8.29"
 		configDir = rootProject.file("src/checkstyle")
 	}