AP_Scripting: add get_camera_state binding

libraries/AP_Scripting/docs/docs.lua

@@ -969,6 +969,15 @@ function winch:healthy() end
 ---@class mount
 mount = {}
 
+-- desc
+---@param param1 integer
+---@return integer|nil  -- pic_count
+---@return boolean|nil  -- record_video
+---@return integer|nil  -- zoom_step
+---@return integer|nil  -- focus_step
+---@return boolean|nil  -- auto_focus
+function mount:get_camera_state(param1) end
+
 -- desc
 ---@param instance integer
 ---@param roll_deg number

libraries/AP_Scripting/generator/description/bindings.desc

@@ -570,6 +570,7 @@ singleton AP_Mount method get_rate_target boolean uint8_t'skip_check float'Null
 singleton AP_Mount method get_angle_target boolean uint8_t'skip_check float'Null float'Null float'Null boolean'Null
 singleton AP_Mount method get_location_target boolean uint8_t'skip_check Location'Null
 singleton AP_Mount method set_attitude_euler void uint8_t'skip_check float'skip_check float'skip_check float'skip_check
+singleton AP_Mount method get_camera_state boolean uint8_t'skip_check uint16_t'Null boolean'Null int8_t'Null int8_t'Null boolean'Null
 
 include AP_Winch/AP_Winch.h depends APM_BUILD_COPTER_OR_HELI
 singleton AP_Winch depends APM_BUILD_COPTER_OR_HELI