ros: update version

package.xml

 <?xml version="1.0"?>
 <package format="3">
   <name>hpp-fcl</name>
-  <version>1.7.3</version>
+  <version>1.7.4</version>
   <description>An extension of the Flexible Collision Library.</description>
   <!-- The maintainer listed here is for the ROS release to receive emails for the buildfarm. 
   Please check the repository URL for full list of authors and maintainers. -->