Bump version to 3.3.2

Change-Id: I9d63b4cc49d590153888a03e94d0121327c17073
diff --git a/build.gradle b/build.gradle
index 2b950b2..a886d64 100644
--- a/build.gradle
+++ b/build.gradle
@@ -5,4 +5,4 @@
 }
 
 // Zentrale Projektversion für korapxmltool
-version = '3.3.1'
+version = '3.3.2'