Pin protobuf packages (#3715)

* Pin protobuf packages

It happened in the past that I ran with the wrong protobuf version
installed locally, and apparently there is even still some file wrong in
splithttp. Fix this issue once and for all.

* bump protobuf packages

* Revert "bump protobuf packages"

This reverts commit 7a3509346a0e29721bb2ddf7857addd622b5674c.

* Revert "Revert "bump protobuf packages""

This reverts commit bb79707d15ca79527fba789276874844605d1d81.

* fix deprecated grpc usage

proxy/vless/account.pb.go

@@ -1,6 +1,6 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.34.1
+// 	protoc-gen-go v1.34.2
 // 	protoc        v5.27.0
 // source: proxy/vless/account.proto
 
@@ -118,7 +118,7 @@ func file_proxy_vless_account_proto_rawDescGZIP() []byte {
 }
 
 var file_proxy_vless_account_proto_msgTypes = make([]protoimpl.MessageInfo, 1)
-var file_proxy_vless_account_proto_goTypes = []interface{}{
+var file_proxy_vless_account_proto_goTypes = []any{
 	(*Account)(nil), // 0: xray.proxy.vless.Account
 }
 var file_proxy_vless_account_proto_depIdxs = []int32{
@@ -135,7 +135,7 @@ func file_proxy_vless_account_proto_init() {
 		return
 	}
 	if !protoimpl.UnsafeEnabled {
-		file_proxy_vless_account_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
+		file_proxy_vless_account_proto_msgTypes[0].Exporter = func(v any, i int) any {
 			switch v := v.(*Account); i {
 			case 0:
 				return &v.state