client: regenerate code to unmarshal key response

Regenerate code for unmarshaling key response with a new version of
ugorji/go/codec

client/keys.go

@@ -14,7 +14,7 @@
 
 package client
 
-//go:generate codecgen -r "Node|Response|Nodes" -o keys.generated.go keys.go
+//go:generate codecgen -d 1819 -r "Node|Response|Nodes" -o keys.generated.go keys.go
 
 import (
 	"encoding/json"