fix (immax_neolite_weatherstation): fix type of data overflow

Detected while checking if Issue #4041 is a match for any existing device
Issue #3166 also lists this dp as "raw"

custom_components/tuya_local/devices/immax_neolite_weatherstation.yaml

@@ -458,7 +458,7 @@ entities:
     hidden: true
     dps:
       - id: 123
-        type: integer
+        type: base64
         optional: true
         name: sensor
   - entity: sensor