ArtifactoryPath: Fix glob() in Python 3.11

Python 3.11 replaced _accessor.scandir with _scandir.
Override _scandir to still use our implementation.
Should be a noop on older Python versions because they
didn't have _scandir at all.

Fixes: devopshq#396

Signed-off-by: Frank Lichtenheld <frank@lichtenheld.com>

artifactory.py

@@ -1659,6 +1659,12 @@ def rmdir(self):
         """
         self._accessor.rmdir(self)
 
+    def _scandir(self):
+        """
+        Override Path._scandir. Only required on Python >= 3.11
+        """
+        return self._accessor.scandir(self)
+
     def download_stats(self, pathobj=None):
         """
          Item statistics record the number of times an item was downloaded, last download date and last downloader.