vendor: Mega update all dependencies

GitHub-Pull-Request: https://github.com/syncthing/syncthing/pull/4080

vendor/github.com/cznic/fileutil/fileutil_darwin.go

@@ -2,6 +2,8 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
+// +build !arm
+
 package fileutil
 
 import (
@@ -9,6 +11,8 @@ import (
 	"os"
 )
 
+const hasPunchHole = false
+
 // PunchHole deallocates space inside a file in the byte range starting at
 // offset and continuing for len bytes. Not supported on OSX.
 func PunchHole(f *os.File, off, len int64) error {