Add tracepoint for publish/subscribe serialized message

[h-suzuki-isp]

Please, refer to https://github.com/ros2/rclcpp/pull/2448 . I have added the following trace points.

• __rmw_publish_serialized_message()
  • tracepoint : rmw_publish
• _take_serialized_message()
  • tracepoint : rmw_take

[fujitatomoya]

@mjcarroll /assign along with https://github.com/ros2/rmw_fastrtps/pull/748

[h-suzuki-isp]

@eboasson @mjcarroll (Cc: @christophebedard ) I'd like to get this PR to Jazzy on time. I would appreciate it if you could review it.

[mjcarroll]

Note that CI was run here: https://github.com/ros2/rclcpp/pull/2448#issuecomment-2026080065

[christophebedard]

I think we can probably skip CI since the only new change is a new blank line.