Move to use github.com/containerd/log

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

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

pkg/process/io.go

@@ -31,11 +31,11 @@ import (
 	"syscall"
 	"time"
 
-	"github.com/containerd/containerd/log"
 	"github.com/containerd/containerd/namespaces"
 	"github.com/containerd/containerd/pkg/stdio"
 	"github.com/containerd/fifo"
 	runc "github.com/containerd/go-runc"
+	"github.com/containerd/log"
 	exec "golang.org/x/sys/execabs"
 )