Update k8s dependencies to v1.22.0-rc.0

vendor/k8s.io/apimachinery/pkg/apis/meta/v1/helpers.go

@@ -38,13 +38,13 @@ func LabelSelectorAsSelector(ps *LabelSelector) (labels.Selector, error) {
 	if len(ps.MatchLabels)+len(ps.MatchExpressions) == 0 {
 		return labels.Everything(), nil
 	}
-	selector := labels.NewSelector()
+	requirements := make([]labels.Requirement, 0, len(ps.MatchLabels)+len(ps.MatchExpressions))
 	for k, v := range ps.MatchLabels {
 		r, err := labels.NewRequirement(k, selection.Equals, []string{v})
 		if err != nil {
 			return nil, err
 		}
-		selector = selector.Add(*r)
+		requirements = append(requirements, *r)
 	}
 	for _, expr := range ps.MatchExpressions {
 		var op selection.Operator
@@ -64,8 +64,10 @@ func LabelSelectorAsSelector(ps *LabelSelector) (labels.Selector, error) {
 		if err != nil {
 			return nil, err
 		}
-		selector = selector.Add(*r)
+		requirements = append(requirements, *r)
 	}
+	selector := labels.NewSelector()
+	selector = selector.Add(requirements...)
 	return selector, nil
 }
 
@@ -154,7 +156,7 @@ func SetAsLabelSelector(ls labels.Set) *LabelSelector {
 	}
 
 	selector := &LabelSelector{
-		MatchLabels: make(map[string]string),
+		MatchLabels: make(map[string]string, len(ls)),
 	}
 	for label, value := range ls {
 		selector.MatchLabels[label] = value