Handle the vulnerability in black duck report

Change-Id: Id4b96e8a25b14dbe057fc3595a9265fdda16622e
diff --git a/vendor/github.com/gorilla/mux/go.mod b/vendor/github.com/gorilla/mux/go.mod
index df170a3..7c6f375 100644
--- a/vendor/github.com/gorilla/mux/go.mod
+++ b/vendor/github.com/gorilla/mux/go.mod
@@ -1,3 +1,3 @@
 module github.com/gorilla/mux
 
-go 1.12
+go 1.20