vendor: update all dependencies

vendor/github.com/pkg/sftp/server_unix.go

@@ -6,9 +6,7 @@ package sftp
 import (
 	"fmt"
 	"os"
-	"os/user"
 	"path"
-	"strconv"
 	"syscall"
 	"time"
 )
@@ -22,21 +20,10 @@ func runLsStatt(dirent os.FileInfo, statt *syscall.Stat_t) string {
 	typeword := runLsTypeWord(dirent)
 	numLinks := statt.Nlink
 	uid := statt.Uid
-	usr, err := user.LookupId(strconv.Itoa(int(uid)))
-	var username string
-	if err == nil {
-		username = usr.Username
-	} else {
-		username = fmt.Sprintf("%d", uid)
-	}
 	gid := statt.Gid
-	grp, err := user.LookupGroupId(strconv.Itoa(int(gid)))
-	var groupname string
-	if err == nil {
-		groupname = grp.Name
-	} else {
-		groupname = fmt.Sprintf("%d", gid)
-	}
+	username := fmt.Sprintf("%d", uid)
+	groupname := fmt.Sprintf("%d", gid)
+	// TODO FIXME: uid -> username, gid -> groupname lookup for ls -l format output
 
 	mtime := dirent.ModTime()
 	monthStr := mtime.Month().String()[0:3]