chore: bump version to 0.2.1

Author: boczekbartek

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>rai_interfaces</name>
-  <version>0.2.0</version>
+  <version>0.2.1</version>
   <description>Interfaces for RAI communication</description>
     <maintainer email="[email protected]">Adam Dabrowski</maintainer>
     <maintainer email="[email protected]">Kajetan Rachwał</maintainer>