Correct storage-derived RAM values in xiaomi device records

Author: Seungpyo1007

data/watch/xiaomi/2023/redmi-watch-4/xiaomi-redmi-watch-4-aitoolbuzz-13115-16gb-16gb-4g-lte.json

@@ -4,20 +4,21 @@
   "name": "Xiaomi Redmi Watch 4",
   "brand": "xiaomi",
   "release_date": "2023-11-01",
-  "ram_gb": 16,
+  "ram_gb": 0.031,
   "battery_mah": 470,
   "weight_g": 31.5,
   "os": "HyperOS",
   "verified": false,
   "source_urls": [
+    "https://www.mi.com/global/support/faq/details/KA-533710/",
     "https://aitoolbuzz.com/mobiles/xiaomi-redmi-watch-4"
   ],
   "variant": {
     "region": "global",
     "source_dataset": "devadigax/awesome-mobiles-database-by-aitoolbuzz-com",
     "source_key": "devadigax/awesome-mobiles-database-by-aitoolbuzz-com:13115",
     "memory": {
-      "ram_gb": 16,
+      "ram_gb": 0.031,
       "storage_gb": 16
     },
     "network": {