Allow conversion from list[str] to std::vector<std::string> (#3423) (#3425)

(cherry picked from commit 0d84edb)

Co-authored-by: Jens Vanhooydonck <jensvanhooydonck@gmail.com>

Author: mergify[bot]

moveit_py/src/moveit/moveit_ros/trajectory_execution_manager/trajectory_execution_manager.hpp

@@ -38,6 +38,7 @@
 
 #include <pybind11/pybind11.h>
 #include <pybind11/functional.h>
+#include <pybind11/stl.h>
 #include <moveit_py/moveit_py_utils/copy_ros_msg.hpp>
 #include <moveit_py/moveit_py_utils/ros_msg_typecasters.hpp>
 #include <rclcpp/rclcpp.hpp>