Update env sample to use load-balanced RPC

Author: EmilFattakhov

web-app/.env.sample

@@ -1,7 +1,7 @@
 NEXT_PUBLIC_WALLET_CONNECT_PROJECT_ID=""
 NEXT_PUBLIC_EXPLORER_URL="https://explorer.auto-evm.chronos.autonomys.xyz/"
 NEXT_PUBLIC_FAUCET_CHAIN_ID="8700"
-NEXT_PUBLIC_RPC_ENDPOINT="https://auto-evm-0.chronos.autonomys.xyz/ws"
+NEXT_PUBLIC_RPC_ENDPOINT="https://auto-evm.chronos.autonomys.xyz/ws"
 NEXT_PUBLIC_FAUCET_ADDRESS="0x8C574312FB8925Dfc7a636171C78d463E01e953F"
 
 GITHUB_CLIENT_ID=""