Bump libcompose and sync dependencies

vendor/github.com/docker/containerd/supervisor/add_process.go

@@ -1,43 +0,0 @@
-package supervisor
-
-import (
-	"time"
-
-	"github.com/docker/containerd/runtime"
-	"github.com/docker/containerd/specs"
-)
-
-type AddProcessTask struct {
-	baseTask
-	ID            string
-	PID           string
-	Stdout        string
-	Stderr        string
-	Stdin         string
-	ProcessSpec   *specs.ProcessSpec
-	StartResponse chan StartResponse
-}
-
-func (s *Supervisor) addProcess(t *AddProcessTask) error {
-	start := time.Now()
-	ci, ok := s.containers[t.ID]
-	if !ok {
-		return ErrContainerNotFound
-	}
-	process, err := ci.container.Exec(t.PID, *t.ProcessSpec, runtime.NewStdio(t.Stdin, t.Stdout, t.Stderr))
-	if err != nil {
-		return err
-	}
-	if err := s.monitorProcess(process); err != nil {
-		return err
-	}
-	ExecProcessTimer.UpdateSince(start)
-	t.StartResponse <- StartResponse{}
-	s.notifySubscribers(Event{
-		Timestamp: time.Now(),
-		Type:      StateStartProcess,
-		PID:       t.PID,
-		ID:        t.ID,
-	})
-	return nil
-}