(chore) bump to 3.1.0 (#16)

diff --git a/pom.xml b/pom.xml
index 6894d1d..8227092 100644
--- a/pom.xml
+++ b/pom.xml
@@ -28,7 +28,7 @@
   </parent>
 
   <artifactId>maven-scripting-plugin</artifactId>
-  <version>3.0.1-SNAPSHOT</version>
+  <version>3.1.0-SNAPSHOT</version>
   <packaging>maven-plugin</packaging>
 
   <name>Apache Maven Scripting Plugin</name>