[maven-release-plugin] prepare release 2.4.0

Author: pivovarit

pom.xml

@@ -19,7 +19,7 @@
 
     <groupId>com.pivovarit</groupId>
     <artifactId>parallel-collectors</artifactId>
-    <version>2.4.0-SNAPSHOT</version>
+    <version>2.4.0</version>
 
     <packaging>jar</packaging>