fix(接口测试): 场景步骤名称去掉必填校验

backend/services/api-test/src/main/java/io/metersphere/api/dto/scenario/ApiScenarioStepCommonDTO.java

@@ -64,8 +64,7 @@ public class ApiScenarioStepCommonDTO<T extends ApiScenarioStepCommonDTO> {
     private String projectId;
 
     @Schema(description = "步骤名称")
-    @NotBlank(message = "{api_scenario_step.name.not_blank}")
-    @Size(min = 1, max = 255, message = "{api_scenario_step.name.length_range}")
+    @Size(max = 255, message = "{api_scenario_step.name.length_range}")
     private String name;
 
     @Schema(description = "资源编号")