fixed warning on qos profile when creating service on odrive_can_node

[maxipalay]

When building on ros2 iron, there's a warning on the QoS of the service request_axis_state.

   44 |     service_ = rclcpp::Node::create_service<AxisState>("request_axis_state", std::bind(&ODriveCanNode::service_callback, this, _1, _2), srv_qos.get_rmw_qos_profile());
      |                ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /opt/ros/iron/include/rclcpp/rclcpp/node.hpp:1611,
                 from /opt/ros/iron/include/rclcpp/rclcpp/executors/single_threaded_executor.hpp:28,
                 from /opt/ros/iron/include/rclcpp/rclcpp/executors.hpp:22,
                 from /opt/ros/iron/include/rclcpp/rclcpp/rclcpp.hpp:167,
                 from /.../odrive_can/include/odrive_can_node.hpp:4,
                 from /.../odrive_can/src/odrive_can_node.cpp:1:
/opt/ros/iron/include/rclcpp/rclcpp/node_impl.hpp:190:1: note: declared here
  190 | Node::create_service(
      | ^~~~
---

This PR removes the warning. It also leaves consistency, because this warning was not thrown on other service and topic declarations which used QoS in the suggested way.

[samuelsadok]

Unfortunately this does not build on Humble (see CI checks), in fact it reverses the fix in #4.

I haven't checked what's the ideal way address this without warnings in both versions but if you find one that would be cool! (worst case it would involve #if-logic but maybe there's a sleeker way.)

You can open this repo in either of the included Dev Containers (e.g. in VSCode) for easily testing compilation on both ROS versions.

[maxipalay]

Thanks for getting back, apologies for the oversight. Will take a look

[maxipalay]

This looks like its one of those one-branch-per-ros-distribution kind of issue. But I don't think it's worth it for a warning, especially with the added complexity of maintaining multiple branches.

They changed this from humble->iron and just deprecated the previous way of doing it.