AP_Scripting: add is_landing and is_taking_off binding

libraries/AP_Scripting/docs/docs.lua

@@ -2144,6 +2144,14 @@ function vehicle:nav_script_time() end
 ---@param hold_in_bootloader boolean
 function vehicle:reboot(hold_in_bootloader) end
 
+-- desc
+---@return boolean
+function vehicle:is_taking_off() end
+
+-- desc
+---@return boolean
+function vehicle:is_landing() end
+
 -- desc
 ---@class onvif
 onvif = {}

libraries/AP_Scripting/generator/description/bindings.desc

@@ -277,6 +277,8 @@ singleton AP_Vehicle method set_velocity_match boolean Vector2f
 singleton AP_Vehicle method set_land_descent_rate boolean float'skip_check
 singleton AP_Vehicle method has_ekf_failsafed boolean
 singleton AP_Vehicle method reboot void boolean
+singleton AP_Vehicle method is_landing boolean
+singleton AP_Vehicle method is_taking_off boolean
 
 include AP_SerialLED/AP_SerialLED.h
 singleton AP_SerialLED rename serialLED