vendor: bump k8s to v0.25.4

Signed-off-by: CrazyMax <crazy-max@users.noreply.github.com>

vendor/k8s.io/client-go/tools/metrics/OWNERS

@@ -1,6 +1,5 @@
 # See the OWNERS docs at https://go.k8s.io/owners
 
 reviewers:
-- wojtek-t
-- krousey
-- jayunit100
+  - wojtek-t
+  - jayunit100

vendor/k8s.io/client-go/tools/metrics/metrics.go

@@ -42,6 +42,11 @@ type LatencyMetric interface {
 	Observe(ctx context.Context, verb string, u url.URL, latency time.Duration)
 }
 
+// SizeMetric observes client response size partitioned by verb and host.
+type SizeMetric interface {
+	Observe(ctx context.Context, verb string, host string, size float64)
+}
+
 // ResultMetric counts response codes partitioned by method and host.
 type ResultMetric interface {
 	Increment(ctx context.Context, code string, method string, host string)
@@ -60,6 +65,10 @@ var (
 	ClientCertRotationAge DurationMetric = noopDuration{}
 	// RequestLatency is the latency metric that rest clients will update.
 	RequestLatency LatencyMetric = noopLatency{}
+	// RequestSize is the request size metric that rest clients will update.
+	RequestSize SizeMetric = noopSize{}
+	// ResponseSize is the response size metric that rest clients will update.
+	ResponseSize SizeMetric = noopSize{}
 	// RateLimiterLatency is the client side rate limiter latency metric.
 	RateLimiterLatency LatencyMetric = noopLatency{}
 	// RequestResult is the result metric that rest clients will update.
@@ -74,6 +83,8 @@ type RegisterOpts struct {
 	ClientCertExpiry      ExpiryMetric
 	ClientCertRotationAge DurationMetric
 	RequestLatency        LatencyMetric
+	RequestSize           SizeMetric
+	ResponseSize          SizeMetric
 	RateLimiterLatency    LatencyMetric
 	RequestResult         ResultMetric
 	ExecPluginCalls       CallsMetric
@@ -92,6 +103,12 @@ func Register(opts RegisterOpts) {
 		if opts.RequestLatency != nil {
 			RequestLatency = opts.RequestLatency
 		}
+		if opts.RequestSize != nil {
+			RequestSize = opts.RequestSize
+		}
+		if opts.ResponseSize != nil {
+			ResponseSize = opts.ResponseSize
+		}
 		if opts.RateLimiterLatency != nil {
 			RateLimiterLatency = opts.RateLimiterLatency
 		}
@@ -116,6 +133,10 @@ type noopLatency struct{}
 
 func (noopLatency) Observe(context.Context, string, url.URL, time.Duration) {}
 
+type noopSize struct{}
+
+func (noopSize) Observe(context.Context, string, string, float64) {}
+
 type noopResult struct{}
 
 func (noopResult) Increment(context.Context, string, string, string) {}