Prepare release 2.0.8 (kilted) (#2028)

* Update maintainers

Signed-off-by: Carlosespicur <carlosespicur@proton.me>

* Bump version to 2.0.8

Signed-off-by: Carlosespicur <carlosespicur@proton.me>

---------

Signed-off-by: Carlosespicur <carlosespicur@proton.me>

Author: Carlosespicur

library.properties

@@ -1,7 +1,7 @@
 name=micro_ros_arduino
-version=2.0.6-kilted
+version=2.0.8-kilted
 author=micro-ROS
-maintainer=Pablo Garrido <pablogarrido@eprosima.com>
+maintainer=Eugenio Collado <eugeniocollado@eprosima.com>, Carlos Espinoza <carlosespinoza@eprosima.com>
 sentence=micro-ROS Arduino library
 paragraph=micro-ROS Arduino library
 url=https://github.com/micro-ROS/micro_ros_arduino