- Upgrade rqt-plot from 1.1.2 to 1.1.5 for ROS 2 Humble. - Sync rqt-plot 1.1.5 from humble branch to master - Add BuildRequires: python3-setuptools (needed by setup.py build in clean environment) - Upgrade rqt-plot from 1.1.2 to 1.1.5 for ROS 2 Humble. - Sync rqt-plot 1.1.5 from humble branch to master - Add BuildRequires: python3-setuptools (needed by setup.py build in clean environment)