update gon chain rpc (ethereum-lists#3182)

* update gon chain rpc and icon

* update rpc

* update

---------

Co-authored-by: fff1995 <1027497323@qq.com>

Author: erick785

_data/chains/eip155-10024.json

@@ -4,7 +4,10 @@
   "icon": "gonchain",
   "rpc": [
     "https://node1.testnet.gaiaopen.network",
-    "http://database1.gaiaopen.network"
+    "https://node1.mainnet.gon.network",
+    "https://node2.mainnet.gon.network",
+    "https://node3.mainnet.gon.network",
+    "https://node4.mainnet.gon.network"
   ],
   "faucets": [],
   "nativeCurrency": {