Switch to new errdefs package

Signed-off-by: Derek McGowan <derek@mcg.dev>

core/runtime/v2/shim/shim_windows.go

@@ -22,7 +22,7 @@ import (
 	"net"
 	"os"
 
-	"github.com/containerd/containerd/v2/pkg/errdefs"
+	"github.com/containerd/errdefs"
 	"github.com/containerd/ttrpc"
 	"github.com/sirupsen/logrus"
 )

core/runtime/v2/shim/util.go

@@ -33,10 +33,10 @@ import (
 	"github.com/containerd/typeurl/v2"
 
 	"github.com/containerd/containerd/v2/pkg/atomicfile"
-	"github.com/containerd/containerd/v2/pkg/errdefs"
 	"github.com/containerd/containerd/v2/pkg/namespaces"
 	"github.com/containerd/containerd/v2/protobuf/proto"
 	"github.com/containerd/containerd/v2/protobuf/types"
+	"github.com/containerd/errdefs"
 )
 
 type CommandConfig struct {