tracer: improve

Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>

go.mod

@@ -7,7 +7,7 @@ require (
 	github.com/google/uuid v1.3.0
 	github.com/imdario/mergo v0.3.15
 	github.com/patrickmn/go-cache v2.1.0+incompatible
-	github.com/silas/dag v0.0.0-20211117232152-9d50aa809f35
+	github.com/silas/dag v0.0.0-20220518035006-a7e85ada93c5
 	golang.org/x/sync v0.3.0
 	google.golang.org/grpc v1.57.0
 	google.golang.org/protobuf v1.31.0
@@ -15,5 +15,6 @@ require (
 
 require (
 	github.com/golang/protobuf v1.5.3 // indirect
-	google.golang.org/genproto/googleapis/rpc v0.0.0-20230525234030-28d5490b6b19 // indirect
+	golang.org/x/net v0.14.0 // indirect
+	google.golang.org/genproto/googleapis/rpc v0.0.0-20230526203410-71b5a4ffd15e // indirect
 )