Update golang.org/x/crypto to v0.31.0

Update golang.org/x/crypto to v0.31.0

Author: robshakir

go.mod

@@ -11,7 +11,7 @@ require (
 	github.com/openconfig/grpctunnel v0.1.0
 	github.com/openconfig/ygot v0.29.20
 	github.com/protocolbuffers/txtpbfmt v0.0.0-20240823084532-8e6b51fa9bef
-	golang.org/x/crypto v0.28.0
+	golang.org/x/crypto v0.31.0
 	golang.org/x/net v0.30.0
 	google.golang.org/grpc v1.67.1
 	google.golang.org/protobuf v1.35.1