update util hash

go.mod

@@ -5,7 +5,7 @@ go 1.17
 require (
 	github.com/asaskevich/govalidator v0.0.0-20210307081110-f21760c49a8d
 	github.com/free5gc/openapi v1.0.7-0.20230802173229-2b3ded4db293
-	github.com/free5gc/util v1.0.5-0.20230823103219-e511c4fd20ef
+	github.com/free5gc/util v1.0.5-0.20231001095115-433858e5be94
 	github.com/gin-contrib/cors v1.3.1
 	github.com/gin-gonic/gin v1.9.1
 	github.com/golang-jwt/jwt v3.2.1+incompatible