Move mount to core/mount

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

core/diff/apply/apply_linux.go

@@ -24,8 +24,8 @@ import (
 	"strings"
 
 	"github.com/containerd/containerd/v2/archive"
+	"github.com/containerd/containerd/v2/core/mount"
 	"github.com/containerd/containerd/v2/errdefs"
-	"github.com/containerd/containerd/v2/mount"
 	"github.com/containerd/containerd/v2/pkg/userns"
 
 	"golang.org/x/sys/unix"