Update Ethereal testnet chain ID to 13374202

Author: ElvisKrop

_data/chains/eip155-657468.json _data/chains/eip155-13374202.json_data/chains/eip155-657468.json renamed to _data/chains/eip155-13374202.json

@@ -12,8 +12,8 @@
   },
   "infoURL": "https://www.ethereal.trade/",
   "shortName": "ethereal-testnet",
-  "chainId": 657468,
-  "networkId": 657468,
+  "chainId": 13374202,
+  "networkId": 13374202,
   "explorers": [
     {
       "name": "blockscout",