Update go mod and vendor in client dir to 0.28.0

client/vendor/k8s.io/apimachinery/pkg/util/cache/expiring.go

@@ -40,6 +40,13 @@ func NewExpiringWithClock(clock clock.Clock) *Expiring {
 
 // Expiring is a map whose entries expire after a per-entry timeout.
 type Expiring struct {
+	// AllowExpiredGet causes the expiration check to be skipped on Get.
+	// It should only be used when a key always corresponds to the exact same value.
+	// Thus when this field is true, expired keys are considered valid
+	// until the next call to Set (which causes the GC to run).
+	// It may not be changed concurrently with calls to Get.
+	AllowExpiredGet bool
+
 	clock clock.Clock
 
 	// mu protects the below fields
@@ -70,7 +77,10 @@ func (c *Expiring) Get(key interface{}) (val interface{}, ok bool) {
 	c.mu.RLock()
 	defer c.mu.RUnlock()
 	e, ok := c.cache[key]
-	if !ok || !c.clock.Now().Before(e.expiry) {
+	if !ok {
+		return nil, false
+	}
+	if !c.AllowExpiredGet && !c.clock.Now().Before(e.expiry) {
 		return nil, false
 	}
 	return e.val, true