build: bump version number

Author: c-dilks

pom.xml

@@ -4,7 +4,7 @@
 
   <groupId>org.jlab.clas.timeline</groupId>
   <artifactId>clas12-timeline</artifactId>
-  <version>4.0.3</version>
+  <version>4.0.4</version>
   <name>clas12-timeline</name>
   <url>http://www.github.com/JeffersonLab/clas12-timeline</url>