Move to use github.com/containerd/log

Add github.com/containerd/log to go.mod

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

cmd/ctr/commands/client.go

@@ -20,9 +20,9 @@ import (
 	gocontext "context"
 
 	"github.com/containerd/containerd"
-	"github.com/containerd/containerd/log"
 	"github.com/containerd/containerd/namespaces"
 	"github.com/containerd/containerd/pkg/epoch"
+	"github.com/containerd/log"
 	"github.com/urfave/cli"
 )