Move DefaultSnapshotter constants

Move the DefaultSnapshotter constants to the defaults package.
Fixes issue #8226.

Signed-off-by: James Jenkins <James.Jenkins@ibm.com>

pkg/cri/config/config_unix.go

@@ -19,14 +19,14 @@
 package config
 
 import (
-	containerd "github.com/containerd/containerd/v2/client"
+	"github.com/containerd/containerd/v2/defaults"
 	"github.com/pelletier/go-toml/v2"
 	"k8s.io/kubelet/pkg/cri/streaming"
 )
 
 func DefaultImageConfig() ImageConfig {
 	return ImageConfig{
-		Snapshotter:                containerd.DefaultSnapshotter,
+		Snapshotter:                defaults.DefaultSnapshotter,
 		DisableSnapshotAnnotations: true,
 		MaxConcurrentDownloads:     3,
 		ImageDecryption: ImageDecryption{

pkg/cri/config/config_windows.go

@@ -20,13 +20,13 @@ import (
 	"os"
 	"path/filepath"
 
-	containerd "github.com/containerd/containerd/v2/client"
+	"github.com/containerd/containerd/v2/defaults"
 	"k8s.io/kubelet/pkg/cri/streaming"
 )
 
 func DefaultImageConfig() ImageConfig {
 	return ImageConfig{
-		Snapshotter:            containerd.DefaultSnapshotter,
+		Snapshotter:            defaults.DefaultSnapshotter,
 		StatsCollectPeriod:     10,
 		MaxConcurrentDownloads: 3,
 		ImageDecryption: ImageDecryption{