Update proto and also generate java code

gen/java/com/quipsec/v1/ShutdownNotificationResponseOrBuilder.java

+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: quicsep/quicsep.proto
+
+// Protobuf Java Version: 3.25.0
+package com.quipsec.v1;
+
+public interface ShutdownNotificationResponseOrBuilder extends
+    // @@protoc_insertion_point(interface_extends:quipsec.v1.ShutdownNotificationResponse)
+    com.google.protobuf.MessageOrBuilder {
+}