storage/kubernetes: Log before registering custom resources

Logging before attempting to make any connection to Kubernetes is useful when the connection hangs and dex is killed before it can log any errors.

storage/kubernetes/storage.go

@@ -85,6 +85,7 @@ func (c *Config) open(logger logrus.FieldLogger, errOnResources bool) (*client,
 
 	ctx, cancel := context.WithCancel(context.Background())
 
+	logger.Info("creating custom Kubernetes resources")
 	if !cli.registerCustomResources(c.UseTPR) {
 		if errOnResources {
 			cancel()