Release v1.2.0

This time it's for real ;)

Author: stephane-caron

package.xml

@@ -1,7 +1,7 @@
 <?xml version="1.0"?>
 <package>
   <name>upkie_description</name>
-  <version>1.1.1</version>
+  <version>1.2.0</version>
   <description>Description package for the Upkie wheeled biped robot</description>
   <author>Stéphane Caron</author>
   <maintainer email="[email protected]">Stéphane Caron</maintainer>