Update version to 9.3.0.4-r2. Update go to 1.18 and re-vendor (#411)

* Update version to 9.3.0.4-r2. Update go to 1.18 and re-vendor dependencies

vendor/google.golang.org/protobuf/internal/genid/empty_gen.go

@@ -0,0 +1,19 @@
+// Copyright 2019 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// Code generated by generate-protos. DO NOT EDIT.
+
+package genid
+
+import (
+	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
+)
+
+const File_google_protobuf_empty_proto = "google/protobuf/empty.proto"
+
+// Names for google.protobuf.Empty.
+const (
+	Empty_message_name     protoreflect.Name     = "Empty"
+	Empty_message_fullname protoreflect.FullName = "google.protobuf.Empty"
+)