Update liboscal-java for #245 (#246)

Author: aj-stein-nist

pom.xml

@@ -79,7 +79,7 @@
 	<properties>
 		<!-- metaschema dependencies -->
 		<dependency.metaschema-framework.version>0.12.2</dependency.metaschema-framework.version>
-		<dependency.liboscal-java.version>3.0.2</dependency.liboscal-java.version>
+		<dependency.liboscal-java.version>3.0.3</dependency.liboscal-java.version>
 
 		<!-- site configuration -->
 		<site.url>https://pages.nist.gov/metaschema-java/</site.url>