Bump libcompose and sync dependencies

vendor/github.com/opencontainers/runc/libcontainer/setns_init_linux.go

@@ -1,53 +0,0 @@
-// +build linux
-
-package libcontainer
-
-import (
-	"fmt"
-	"os"
-
-	"github.com/opencontainers/runc/libcontainer/apparmor"
-	"github.com/opencontainers/runc/libcontainer/keys"
-	"github.com/opencontainers/runc/libcontainer/label"
-	"github.com/opencontainers/runc/libcontainer/seccomp"
-	"github.com/opencontainers/runc/libcontainer/system"
-)
-
-// linuxSetnsInit performs the container's initialization for running a new process
-// inside an existing container.
-type linuxSetnsInit struct {
-	config *initConfig
-}
-
-func (l *linuxSetnsInit) getSessionRingName() string {
-	return fmt.Sprintf("_ses.%s", l.config.ContainerId)
-}
-
-func (l *linuxSetnsInit) Init() error {
-	// do not inherit the parent's session keyring
-	if _, err := keyctl.JoinSessionKeyring(l.getSessionRingName()); err != nil {
-		return err
-	}
-	if l.config.NoNewPrivileges {
-		if err := system.Prctl(PR_SET_NO_NEW_PRIVS, 1, 0, 0, 0); err != nil {
-			return err
-		}
-	}
-	if l.config.Config.Seccomp != nil {
-		if err := seccomp.InitSeccomp(l.config.Config.Seccomp); err != nil {
-			return err
-		}
-	}
-	if err := finalizeNamespace(l.config); err != nil {
-		return err
-	}
-	if err := apparmor.ApplyProfile(l.config.AppArmorProfile); err != nil {
-		return err
-	}
-	if l.config.ProcessLabel != "" {
-		if err := label.SetProcessLabel(l.config.ProcessLabel); err != nil {
-			return err
-		}
-	}
-	return system.Execv(l.config.Args[0], l.config.Args[0:], os.Environ())
-}