Add vid/pid of the Aqara U400 to new-matter-lock (#2709)

Signed-off-by: Hunsup Jung <[email protected]>

Author: HunsupJung

drivers/SmartThings/matter-lock/src/new-matter-lock/init.lua

@@ -64,6 +64,7 @@ local NEW_MATTER_LOCK_PRODUCTS = {
   {0x115f, 0x2802}, -- AQARA, U200
   {0x115f, 0x2801}, -- AQARA, U300
   {0x115f, 0x2807}, -- AQARA, U200 Lite
+  {0x115f, 0x2804}, -- AQARA, U400
   {0x147F, 0x0001}, -- U-tec
   {0x147F, 0x0008}, -- Ultraloq, Bolt Smart Matter Door Lock
   {0x144F, 0x4002}, -- Yale, Linus Smart Lock L2