fix controller Start method signature

Signed-off-by: Roland.Ma <rolandma@yunify.com>

pkg/controller/clusterrolebinding/clusterrolebinding_controller.go

@@ -17,6 +17,7 @@ limitations under the License.
 package clusterrolebinding
 
 import (
+	"context"
 	"fmt"
 	"time"
 
@@ -232,6 +233,6 @@ func (c *Controller) reconcile(key string) error {
 	return nil
 }
 
-func (c *Controller) Start(stopCh <-chan struct{}) error {
-	return c.Run(4, stopCh)
+func (c *Controller) Start(ctx context.Context) error {
+	return c.Run(4, ctx.Done())
 }