Preparation for major version 4.0.0 release. Added missing V2 liquibase script.

Author: MrMatthewLayton

onixlabs-corda-identity-framework-contract/src/main/resources/migration/corda-claim-schema.changelog-master.xml

@@ -3,4 +3,5 @@
                    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
                    xsi:schemaLocation="http://www.liquibase.org/xml/ns/dbchangelog http://www.liquibase.org/xml/ns/dbchangelog/dbchangelog-3.5.xsd">
     <include file="migration/corda-claim-schema.changelog-v1.xml"/>
+    <include file="migration/corda-claim-schema.changelog-v2.xml"/>
 </databaseChangeLog>