Fix naming for nav2_path_expiring_timer_condition_bt_node

see ros-navigation/navigation2#5471

Author: adivardi

opennav_coverage_navigator/test/test_coverage_navigator.cpp

@@ -67,7 +67,7 @@ inline std::vector<std::string> getLibs()
     "nav2_round_robin_node_bt_node",
     "nav2_transform_available_condition_bt_node",
     "nav2_time_expired_condition_bt_node",
-    "nav2_path_expiring_timer_condition",
+    "nav2_path_expiring_timer_condition_bt_node",
     "nav2_distance_traveled_condition_bt_node",
     "nav2_single_trigger_bt_node",
     "nav2_goal_updated_controller_bt_node",