Bump importlib-resources from 5.10.1 to 5.12.0 (#2004)

* Bump importlib-resources from 5.10.1 to 5.12.0

Bumps [importlib-resources](https://github.com/python/importlib_resources) from 5.10.1 to 5.12.0.
- [Release notes](https://github.com/python/importlib_resources/releases)
- [Changelog](https://github.com/python/importlib_resources/blob/main/CHANGES.rst)
- [Commits](https://github.com/python/importlib_resources/compare/v5.10.1...v5.12.0)

---
updated-dependencies:
- dependency-name: importlib-resources
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

* Update importlib-resources==5.12.0

---------

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: JonnyWong16 <9099342+JonnyWong16@users.noreply.github.com>

[skip ci]

lib/importlib_resources/tests/test_reader.py

@@ -81,6 +81,17 @@ class MultiplexedPathTest(unittest.TestCase):
         path = MultiplexedPath(self.folder)
         assert not path.joinpath('imaginary/foo.py').exists()
 
+    def test_join_path_common_subdir(self):
+        prefix = os.path.abspath(os.path.join(__file__, '..'))
+        data01 = os.path.join(prefix, 'data01')
+        data02 = os.path.join(prefix, 'data02')
+        path = MultiplexedPath(data01, data02)
+        self.assertIsInstance(path.joinpath('subdirectory'), MultiplexedPath)
+        self.assertEqual(
+            str(path.joinpath('subdirectory', 'subsubdir'))[len(prefix) + 1 :],
+            os.path.join('data02', 'subdirectory', 'subsubdir'),
+        )
+
     def test_repr(self):
         self.assertEqual(
             repr(MultiplexedPath(self.folder)),