updated code for amendment api

src/main/java/net/gepafin/tendermanagement/model/request/ApplicationAmendmentRequestBean.java

@@ -1,9 +1,11 @@
 package net.gepafin.tendermanagement.model.request;
 
+import java.util.List;
+
 import lombok.Data;
 
 @Data
 public class ApplicationAmendmentRequestBean {
     private String note;
-    private ApplicationFormFieldRequestBean applicationFormFields;
+    private List<ApplicationFormFieldRequestBean> applicationFormFields;
 }