chore(autoware_string_stamped_overlay_rviz_plugin): fix version in package.xml (#9874)

Signed-off-by: Fumiya Watanabe <rej55.g@gmail.com>

Author: rej55

visualization/autoware_overlay_rviz_plugin/autoware_string_stamped_overlay_rviz_plugin/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>autoware_string_stamped_rviz_plugin</name>
-  <version>0.39.0</version>
+  <version>0.40.0</version>
   <description>
     RViz2 plugin for 2D overlays in the 3D view. Mainly a port of the JSK overlay plugin
         (https://github.com/jsk-ros-pkg/jsk_visualization).