[maven-release-plugin] prepare release 3.1.0

Author: pivovarit

pom.xml

@@ -14,7 +14,7 @@
 
     <groupId>com.pivovarit</groupId>
     <artifactId>parallel-collectors</artifactId>
-    <version>3.0.0</version>
+    <version>3.1.0</version>
     <url>https://github.com/pivovarit/parallel-collectors</url>
 
     <packaging>jar</packaging>