Bump version to v3.6.3.4

Change-Id: I6d90f6f48925d663a6f76a3a85273fb0f1c3545e
diff --git a/pom.xml b/pom.xml
index 0cf8865..546d78f 100644
--- a/pom.xml
+++ b/pom.xml
@@ -4,7 +4,7 @@
 
     <groupId>com.gerritforge</groupId>
     <artifactId>global-refdb</artifactId>
-    <version>3.6.3.3</version>
+    <version>3.6.3.4</version>
     <packaging>jar</packaging>
 
     <name>global-refdb</name>