Update version number

Author: LaurieCheers-unity

package.xml

@@ -2,7 +2,7 @@
 <?xml-model href="http://download.ros.org/schema/package_format3.xsd" schematypens="http://www.w3.org/2001/XMLSchema"?>
 <package format="3">
   <name>ros_tcp_endpoint</name>
-  <version>0.5.0</version>
+  <version>0.6.0</version>
   <description>ROS TCP Endpoint Unity Integration (ROS2 version)
   Acts as the bridge between Unity messages sent via TCP socket and ROS messages.
   </description>