Bump json-smart from 2.3 to 2.4.2 in /core

Bumps [json-smart](https://github.com/netplex/json-smart-v2) from 2.3 to 2.4.2.
- [Release notes](https://github.com/netplex/json-smart-v2/releases)
- [Commits](https://github.com/netplex/json-smart-v2/commits)

Signed-off-by: dependabot[bot] <support@github.com>

Closes #174

Change-Id: I65c280087252a78092af2b287e3626e4024bbe99
diff --git a/core/pom.xml b/core/pom.xml
index b7c9b94..eddde87 100644
--- a/core/pom.xml
+++ b/core/pom.xml
@@ -168,7 +168,7 @@
 		<dependency>
 			<groupId>net.minidev</groupId>
 			<artifactId>json-smart</artifactId>
-			<version>2.3</version>
+			<version>2.4.2</version>
 		</dependency>
 		
 		<!-- Jersey 1x originally uses codehaus -->