correct asset in sui sf (#768)

Author: nidhi-singh02

pages/price-feeds/sponsored-feeds/data/sui/sui_mainnet.json

@@ -7,7 +7,7 @@
     "confidence_ratio": 100
   },
   {
-    "alias": "ARB/USD",
+    "alias": "ETH/USD",
     "id": "ff61491a931112ddf1bd8147cd1b641375f79f5825126d665480874634fd0ace",
     "time_difference": 3,
     "price_deviation": 0.5,