Fix #1146: releases/1.5.x missing 1.6.x/db.changelog-version.xml

Author: banterCZ

docs/db/changelog/changesets/powerauth-java-server/db.changelog-module.xml

@@ -14,5 +14,6 @@
 
     <include file="1.4.x/db.changelog-version.xml" relativeToChangelogFile="true" />
     <include file="1.5.x/db.changelog-version.xml" relativeToChangelogFile="true" />
+    <include file="1.6.x/db.changelog-version.xml" relativeToChangelogFile="true" />
 
 </databaseChangeLog>