fix(monitor/contract): fix name label typo (#2194)

Fix name label.

issue: none

monitor/contract/metrics.go

@@ -18,5 +18,5 @@ var (
 		Subsystem: "contract",
 		Name:      "balance_low",
 		Help:      "Constant gauge indicating whether the contract balance is below the minimum threshold (1=true,0=false)",
-	}, []string{"chain", "bame"})
+	}, []string{"chain", "name"})
 )