update kubernetes dependencies to v1.25.0

Signed-off-by: Humble Chirammal <hchiramm@redhat.com>

vendor/k8s.io/apimachinery/pkg/util/sets/string.go

@@ -28,7 +28,7 @@ type String map[string]Empty
 
 // NewString creates a String from a list of values.
 func NewString(items ...string) String {
-	ss := String{}
+	ss := make(String, len(items))
 	ss.Insert(items...)
 	return ss
 }
@@ -87,6 +87,15 @@ func (s String) HasAny(items ...string) bool {
 	return false
 }
 
+// Clone returns a new set which is a copy of the current set.
+func (s String) Clone() String {
+	result := make(String, len(s))
+	for key := range s {
+		result.Insert(key)
+	}
+	return result
+}
+
 // Difference returns a set of objects that are not in s2
 // For example:
 // s1 = {a1, a2, a3}
@@ -110,10 +119,7 @@ func (s String) Difference(s2 String) String {
 // s1.Union(s2) = {a1, a2, a3, a4}
 // s2.Union(s1) = {a1, a2, a3, a4}
 func (s1 String) Union(s2 String) String {
-	result := NewString()
-	for key := range s1 {
-		result.Insert(key)
-	}
+	result := s1.Clone()
 	for key := range s2 {
 		result.Insert(key)
 	}