chore: Bump version to 1.4.8 and update changelog with new OMY model features and synchronization improvements

Author: Woojin-Crive

CHANGELOG.rst

@@ -2,6 +2,12 @@
 Changelog for package dynamixel_hardware_interface
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
+1.4.8 (2025-06-23)
+------------------
+* Added new model for OMY to use virtual_dxl
+* Added goal position synchronization before torque enable for OMY sync table feature
+* Contributors: Woojin Wie
+
 1.4.7 (2025-06-19)
 ------------------
 * Added virtual_dxl and support for rcu

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>dynamixel_hardware_interface</name>
-  <version>1.4.7</version>
+  <version>1.4.8</version>
   <description>
     ROS 2 package providing a hardware interface for controlling Dynamixel motors via the ROS 2 control framework.
   </description>