Dashboard: Update faucet amount for arc testnet

Author: MananTank

apps/dashboard/src/@/utils/faucet.ts

@@ -5,6 +5,8 @@ const customClaimAmounts: Record<number, number> = {
   631571: 0.1,
   // Sophon testnet
   531050104: 5,
+  // Arc testnet
+  5042002: 1,
 };
 
 const defaultClaimAmount = 0.01;