Set next snapshot version

Author: vietj

pom.xml

@@ -24,7 +24,7 @@
   </parent>
 
   <artifactId>vertx-kafka-client</artifactId>
-  <version>5.1.4</version>
+  <version>5.1.5-SNAPSHOT</version>
 
   <name>Vert.x Kafka Client</name>