fix: set correct thegraph api urls

Former-commit-id: 29ebbe3

Author: cedoor

packages/subgraph/src/getURL.ts

@@ -8,8 +8,9 @@ import { Network } from "./types"
 export default function getURL(network: Network): string {
     switch (network) {
         case "goerli":
+            return `https://api.thegraph.com/subgraphs/name/semaphore-protocol/goerli-5259d3`
         case "arbitrum":
-            return `https://api.thegraph.com/subgraphs/name/semaphore-protocol/${network}`
+            return `https://api.thegraph.com/subgraphs/name/semaphore-protocol/arbitrum-86337c`
         default:
             throw new TypeError(`Network '${network}' is not supported`)
     }