[pom] Require at least maven 3.2.5 which aligns with maven in general

There is no real reason to support prior to this and maven core plugins are starting to require at least this level.

Author: hazendaz

pom.xml

@@ -22,7 +22,7 @@
     </description>
 
     <prerequisites>
-        <maven>[3.1.0-alpha-1,)</maven>
+        <maven>[3.2.5,)</maven>
     </prerequisites>
 
     <licenses>