fix(examplegen): declare points in queue history example and regenerate

Author: cmilesio

README.md

@@ -656,7 +656,7 @@ q, err := redisqueue.New("127.0.0.1:6379")
 if err != nil {
 	return
 }
-points, err = q.History(context.Background(), "default", queue.QueueHistoryHour)
+points, err := q.History(context.Background(), "default", queue.QueueHistoryHour)
 _ = err
 ```
 

admin.go

@@ -439,7 +439,7 @@ func (r *Queue) ClearQueue(ctx context.Context, queueName string) error {
 //	if err != nil {
 //		return
 //	}
-//	points, err = q.History(context.Background(), "default", queue.QueueHistoryHour)
+//	points, err := q.History(context.Background(), "default", queue.QueueHistoryHour)
 //	_ = points
 //	_ = err
 func (r *Queue) History(ctx context.Context, queueName string, window QueueHistoryWindow) ([]QueueHistoryPoint, error) {

examples/queue-history/main.go

@@ -19,7 +19,7 @@ func main() {
 	if err != nil {
 		return
 	}
-	points, err = q.History(context.Background(), "default", queue.QueueHistoryHour)
+	points, err := q.History(context.Background(), "default", queue.QueueHistoryHour)
 	_ = points
 	_ = err
 }