message: op-proposer: Enable the balance check metric
diff: @@ -86,6 +86,8 @@ func Main(version string) func(ctx *cli.Context) error {
  l.Error("error starting metrics server", err)
  }
  }()
  + addr := l2OutputSubmitter.l2OutputService.cfg.Driver.WalletAddr()
  + opmetrics.LaunchBalanceMetrics(ctx, l, registry, "", l2OutputSubmitter.l2OutputService.cfg.L1Client, addr)
  }
  rpcCfg := cfg.RPCConfig
  