Use dataflow build snapshots

Author: jvalkeal

pom.xml

@@ -12,7 +12,7 @@
 	<parent>
 		<groupId>org.springframework.cloud</groupId>
 		<artifactId>spring-cloud-dataflow-build</artifactId>
-		<version>2.4.0.RELEASE</version>
+		<version>2.4.1.BUILD-SNAPSHOT</version>
 		<relativePath />
 	</parent>
 	<licenses>