feat(rclcpp_components): change load_node service QoS to prevent failure on loading composable node for caret branch

[interimadd]

Description

Apply #14 to t4-main-caret branch

Test

Pilot.Auto can be built successfully.

takahisaishikawa@dpc2409508:~/pilot-auto-caret$ yes Y | ~/caret_ecu_system_setup/general/build_autoware.sh

And I confirmed that Pilot.Auto can drive a car in AWSIM with following command.

cd ~
git clone git@github.com:tier4/auto-evaluator.git
cd ~/auto-evaluator/scripts/performance_evaluation/nishishinjuku
git pull
./download_nishishinjuku_awsim_and_map.sh
source ~/caret_ecu_system_setup/general/setenv_caret.bash
./exec_awsim_nishishinjuku.sh ~/pilot-auto-caret ./goals_nishishinjuku_short.yaml ./awsim_config_nishishinjuku.json

Related Link

https://tier4.atlassian.net/browse/T4DEV-45284

[iwatake2222]

@interimadd
LGTM!
However, please hold off on merging until the Pilot.Auto v0.61 release evaluation is completed. The reason is that v0.61 uses a forked version of launch_ros, which requires the pre-change version of rclcpp. In addition, the rclcpp used for CARET evaluation is specified by branch name, so merging this change would cause an inconsistency.

(To avoid an accidental merge, I’m changing the review status to “Request changes.”)

Note:
After merging tier4/caret#225, we can merge this PR. However, I'd like to wait the Pilot.Auto v0.61 release completion for the safe.