Provide branch for ROS 2 Jazzy and update GIT_TAG for xrceagent

从 rolling 分支中的 SuperBuild.cmake 开始，检查 Micro-XRCE-DDS-Agent 的 GIT_TAG。source ROS Rolling 后重现 colcon build，然后检查 graph_typesupport.cpp 以及所引用的 prs/pr-rolling-fastcdr-2.2.x 分支中的补丁。完成的标准是 agent 能够针对所请求的 ROS 2 分支使用 Fast-CDR 2.2.x 构建。

Issue template

This is a feature request. ROS 2 Rolling and Jazzy depend on Fast-CDR 2.2.x. Version 2.4.3 of Micro-XRCE-DDS-Agent supports this but the GIT_TAG in the SuperBuild.cmake in the rolling branch refers to ros2

Steps to reproduce the issue

• Create a colcon workspace to build this repo, and source ROS Rolling before building.

Expected behavior

• micro-ROS-Agent will build in a colcon workspace that has sourced ROS Rolling.

Actual behavior

• micro-ROS-Agent will not build in a colcon workspace that has sourced ROS Rolling.

Additional information

Looks like this will require code changes as well, as micro-ROS-agent will not build against the updated Fast-CDR version. For example:

/Users/rhys/Code/ros2/rolling/ros2-ardupilot/src/micro_ros_agent/micro_ros_agent/src/agent/graph_manager/graph_typesupport.cpp:57:33: error: no member named 'DDS_CDR' in 'eprosima::fastcdr::Cdr'
        eprosima::fastcdr::Cdr::DDS_CDR);
        ~~~~~~~~~~~~~~~~~~~~~~~~^
/Users/rhys/Code/ros2/rolling/ros2-ardupilot/src/micro_ros_agent/micro_ros_agent/src/agent/graph_manager/graph_typesupport.cpp:64:54: error: no member named 'getSerializedDataLength' in 'eprosima::fastcdr::Cdr'; did you mean 'get_serialized_data_length'?
        payload->length = static_cast<uint32_t>(scdr.getSerializedDataLength());
                                                     ^~~~~~~~~~~~~~~~~~~~~~~
                                                     get_serialized_data_length
/Users/rhys/Code/ros2/rolling/ros2-rolling/install/fastcdr/include/fastcdr/Cdr.h:266:23: note: 'get_serialized_data_length' declared here
    Cdr_DllAPI size_t get_serialized_data_length() const;
                      ^
/Users/rhys/Code/ros2/rolling/ros2-ardupilot/src/micro_ros_agent/micro_ros_agent/src/agent/graph_manager/graph_typesupport.cpp:80:33: error: no member named 'DDS_CDR' in 'eprosima::fastcdr::Cdr'
        eprosima::fastcdr::Cdr::DDS_CDR);
        ~~~~~~~~~~~~~~~~~~~~~~~~^
/Users/rhys/Code/ros2/rolling/ros2-ardupilot/src/micro_ros_agent/micro_ros_agent/src/agent/graph_manager/graph_typesupport.cpp:149:33: error: no member named 'DDS_CDR' in 'eprosima::fastcdr::Cdr'
        eprosima::fastcdr::Cdr::DDS_CDR);
        ~~~~~~~~~~~~~~~~~~~~~~~~^
/Users/rhys/Code/ros2/rolling/ros2-ardupilot/src/micro_ros_agent/micro_ros_agent/src/agent/graph_manager/graph_typesupport.cpp:156:54: error: no member named 'getSerializedDataLength' in 'eprosima::fastcdr::Cdr'; did you mean 'get_serialized_data_length'?
        payload->length = static_cast<uint32_t>(scdr.getSerializedDataLength());
                                                     ^~~~~~~~~~~~~~~~~~~~~~~
                                                     get_serialized_data_length
/Users/rhys/Code/ros2/rolling/ros2-rolling/install/fastcdr/include/fastcdr/Cdr.h:266:23: note: 'get_serialized_data_length' declared here
    Cdr_DllAPI size_t get_serialized_data_length() const;
                      ^
/Users/rhys/Code/ros2/rolling/ros2-ardupilot/src/micro_ros_agent/micro_ros_agent/src/agent/graph_manager/graph_typesupport.cpp:172:33: error: no member named 'DDS_CDR' in 'eprosima::fastcdr::Cdr'
        eprosima::fastcdr::Cdr::DDS_CDR);
        ~~~~~~~~~~~~~~~~~~~~~~~~^
6 errors generated.
make[2]: *** [CMakeFiles/micro_ros_agent.dir/src/agent/graph_manager/graph_typesupport.cpp.o] Error 1
make[1]: *** [CMakeFiles/micro_ros_agent.dir/all] Error 2

This branch contains patches to fix the above issue: https://github.com/srmainwaring/micro-ROS-Agent/tree/prs/pr-rolling-fastcdr-2.2.x