Fix path-to-URL conversion on Python 3.14+ (#82)

Signed-off-by: Scott K Logan <logans@cottsay.net>
Co-authored-by: Leander Stephen D'Souza <leanderdsouza1234@gmail.com>

Author: cottsay

test/__init__.py

@@ -6,16 +6,15 @@
 import tarfile
 import unittest
 import zipfile
+from pathlib import Path
 from shutil import which
 from tempfile import TemporaryDirectory
-from urllib.parse import urljoin
-from urllib.request import pathname2url
 
 import yaml
 
 
 def to_file_url(path):
-    return urljoin('file:', pathname2url(path))
+    return Path(path).as_uri()
 
 
 class StagedReposFile(unittest.TestCase):