fix(markLine): fix axis type in markLine data and close #14300

src/component/marker/MarkLineModel.ts

@@ -43,8 +43,8 @@ interface MarkLineDataItemOptionBase extends MarkLineStateOption, StatesOptionMi
 export interface MarkLine1DDataItemOption extends MarkLineDataItemOptionBase {
 
     // On cartesian coordinate system
-    xAxis?: number
-    yAxis?: number
+    xAxis?: number | string
+    yAxis?: number | string
 
     // Use statistic method
     type?: MarkerStatisticType