vendor: update all dependencies

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

@@ -118,7 +118,7 @@ func getFileStat(flags uint32, b []byte) (*FileStat, []byte) {
 	if flags&ssh_FILEXFER_ATTR_EXTENDED == ssh_FILEXFER_ATTR_EXTENDED {
 		var count uint32
 		count, b = unmarshalUint32(b)
-		ext := make([]StatExtended, count, count)
+		ext := make([]StatExtended, count)
 		for i := uint32(0); i < count; i++ {
 			var typ string
 			var data string