rebase: update kubernetes dep to 1.24.0

As kubernetes 1.24.0 is released, updating
kubernetes dependencies to 1.24.0

updates: #3086

Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>

vendor/k8s.io/apimachinery/pkg/util/strategicpatch/OWNERS

@@ -1,8 +1,8 @@
 # See the OWNERS docs at https://go.k8s.io/owners
 
 approvers:
-- pwittrock
-- mengqiy
+  - pwittrock
 reviewers:
-- mengqiy
-- apelisse
+  - apelisse
+emeritus_approvers:
+  - mengqiy

vendor/k8s.io/apimachinery/pkg/util/strategicpatch/patch.go

@@ -1330,6 +1330,9 @@ func mergeMap(original, patch map[string]interface{}, schema LookupPatchMeta, me
 		if !ok {
 			if !isDeleteList {
 				// If it's not in the original document, just take the patch value.
+				if mergeOptions.IgnoreUnmatchedNulls {
+					discardNullValuesFromPatch(patchV)
+				}
 				original[k] = patchV
 			}
 			continue
@@ -1339,6 +1342,9 @@ func mergeMap(original, patch map[string]interface{}, schema LookupPatchMeta, me
 		patchType := reflect.TypeOf(patchV)
 		if originalType != patchType {
 			if !isDeleteList {
+				if mergeOptions.IgnoreUnmatchedNulls {
+					discardNullValuesFromPatch(patchV)
+				}
 				original[k] = patchV
 			}
 			continue
@@ -1375,6 +1381,25 @@ func mergeMap(original, patch map[string]interface{}, schema LookupPatchMeta, me
 	return original, nil
 }
 
+// discardNullValuesFromPatch discards all null property values from patch.
+// It traverses all slices and map types.
+func discardNullValuesFromPatch(patchV interface{}) {
+	switch patchV := patchV.(type) {
+	case map[string]interface{}:
+		for k, v := range patchV {
+			if v == nil {
+				delete(patchV, k)
+			} else {
+				discardNullValuesFromPatch(v)
+			}
+		}
+	case []interface{}:
+		for _, v := range patchV {
+			discardNullValuesFromPatch(v)
+		}
+	}
+}
+
 // mergeMapHandler handles how to merge `patchV` whose key is `key` with `original` respecting
 // fieldPatchStrategy and mergeOptions.
 func mergeMapHandler(original, patch interface{}, schema LookupPatchMeta,