AP_Scripting: add bindings to support Plane scripted follow

libraries/AP_Scripting/docs/docs.lua

@@ -2389,6 +2389,17 @@ function vehicle:nav_scripting_enable(param1) end
 ---@return boolean
 function vehicle:set_desired_speed(param1) end
 
+-- Set autopilot desired airspeed (Plane)
+---@param airspeed_new number -- new airspeed in m/s
+---@return boolean -- true if successful
+function vehicle:set_desired_airspeed(airspeed_new) end
+
+-- Set the guided mode radius and direction used for the final loiter at the target (Plane)
+---@param radius number
+---@param direction_is_ccw boolean
+---@return boolean -- true if successful
+function vehicle:set_guided_radius_and_direction(radius, direction_is_ccw) end
+
 -- desc
 ---@param param1 number
 ---@param param2 number

libraries/AP_Scripting/generator/description/bindings.desc

@@ -338,6 +338,8 @@ singleton AP_Vehicle method set_target_throttle_rate_rpy void float -100 100 flo
 singleton AP_Vehicle method set_rudder_offset void float'skip_check boolean
 singleton AP_Vehicle method set_desired_turn_rate_and_speed boolean float'skip_check float'skip_check
 singleton AP_Vehicle method set_desired_speed boolean float'skip_check
+singleton AP_Vehicle method set_desired_airspeed boolean float'skip_check
+singleton AP_Vehicle method set_guided_radius_and_direction boolean float'skip_check boolean
 singleton AP_Vehicle method nav_scripting_enable boolean uint8_t'skip_check
 singleton AP_Vehicle method set_velocity_match boolean Vector2f
 singleton AP_Vehicle method set_land_descent_rate boolean float'skip_check