Release Process: Change pom version to 3.1.0-SNAPSHOT.
diff --git a/pom.xml b/pom.xml
index db28ca2..8330382 100644
--- a/pom.xml
+++ b/pom.xml
@@ -32,7 +32,7 @@
 
   <groupId>org.apache.datasketches</groupId>
   <artifactId>datasketches-java</artifactId>
-  <version>3.0.0-SNAPSHOT</version>
+  <version>3.1.0-SNAPSHOT</version>
   <packaging>jar</packaging>
 
   <name>${project.artifactId}</name>