update withHook set as WithHook

core/stores/redis/redis.go

@@ -2842,7 +2842,7 @@ func WithTLS() Option {
 
 // withHook customizes the given Redis with given hook, only for private use now,
 // maybe expose later.
-func withHook(hook red.Hook) Option {
+func WithHook(hook red.Hook) Option {
 	return func(r *Redis) {
 		r.hooks = append(r.hooks, hook)
 	}