Add device: Aqara - lumi.sensor_occupy.agl8 (#4421)

Co-authored-by: shennig84 <120779431+shennig84@users.noreply.github.com>

Author: github-actions[bot]

library/library.json

@@ -11899,6 +11899,12 @@
             "manufacturer": "ZVIDAR",
             "model": "Z-CM-V01",
             "battery_type": "Rechargeable"
+        },
+        {
+            "manufacturer": "Aqara",
+            "model": "lumi.sensor_occupy.agl8",
+            "battery_type": "CR2450",
+            "battery_quantity": 2
         }
     ]
 }