Trying other strategy for #19715: use utime(..., None)

Lib/pathlib.py

@@ -6,7 +6,6 @@ import os
 import posixpath
 import re
 import sys
-import time
 import weakref
 try:
     import threading
@@ -1076,9 +1075,8 @@ class Path(PurePath):
             # First try to bump modification time
             # Implementation note: GNU touch uses the UTIME_NOW option of
             # the utimensat() / futimens() functions.
-            t = time.time()
             try:
-                self._accessor.utime(self, (t, t))
+                self._accessor.utime(self, None)
             except OSError:
                 # Avoid exception chaining
                 pass