trying updated kotlin plugin

Author: schauder

spring-data-cassandra/pom.xml

@@ -22,6 +22,7 @@
 <validation>1.1.0.Final</validation>
 <java-module-name>spring.data.cassandra</java-module-name>
 <project.root>${basedir}/..</project.root>
+<kotlin>1.2.71</kotlin>
 </properties>
 
 <dependencies>