fix(kubelet): convert V().Error() to V().Info() for verbosity-aware logging

This PR fixes incorrect usage of `logger.V(N).Error()` in the kubelet
package. The go-logr package design causes `Error()` calls to bypass
verbosity level checks entirely, meaning these logs are always printed
regardless of the configured verbosity level.

Note: In release-1.33, only pleg/generic.go uses contextual logging
(logger.V().Error). All other files use klog.V().ErrorS() which properly
respects verbosity levels, so they are NOT changed in this cherry-pick.

Files modified (1 file, 1 instance):
- pkg/kubelet/pleg/generic.go

Conversion pattern applied:
- g.logger.V(N).Error(err, "msg", ...) → g.logger.V(N).Info("msg", ..., "err", err)

Fixes: https://github.com/kubernetes/kubernetes/issues/136027
Cherry-pick of: https://github.com/kubernetes/kubernetes/pull/136028

Signed-off-by: thc1006 <84045975+thc1006@users.noreply.github.com>

pkg/kubelet/pleg/generic.go

@@ -299,7 +299,7 @@ func (g *GenericPLEG) Relist() {
 		status, updated, err := g.updateCache(ctx, pod, pid)
 		if err != nil {
 			// Rely on updateCache calling GetPodStatus to log the actual error.
-			g.logger.V(4).Error(err, "PLEG: Ignoring events for pod", "pod", klog.KRef(pod.Namespace, pod.Name))
+			g.logger.V(4).Info("PLEG: Ignoring events for pod", "pod", klog.KRef(pod.Namespace, pod.Name), "err", err)
 
 			// make sure we try to reinspect the pod during the next relisting
 			needsReinspection[pid] = pod