컬럼 형식 수정

pav-server/src/main/java/com/palnet/biz/jpa/entity/FltPlanBas.java

@@ -57,7 +57,7 @@ public class FltPlanBas {
     private String aprvlYn;
 
     @Column(name = "APRVL_DT")
-    private String aprvlDt;
+    private Instant aprvlDt;
 
     @Column(name = "DEL_YN")
     private String delYn;