[IMP] cfg: update black version

Black has been updated to its latest version. Biggest
change involves black removing whitespaces after class/method
declarations.

BREAKING CHANGE: black may generate diffs on projects

src/pre_commit_vauxoo/cfg/.pre-commit-config-autofix.yaml

@@ -30,7 +30,7 @@ default_language_version:
   node: "14.13.0"
 repos:
   - repo: https://github.com/psf/black-pre-commit-mirror.git
-    rev: 22.10.0
+    rev: 23.12.1
     hooks:
       - id: black
   - repo: https://github.com/myint/autoflake

tests/test_pre_commit_vauxoo.py

@@ -2,6 +2,7 @@
 
 import logging
 import os
+import platform
 import posixpath
 import re
 import shutil
@@ -26,7 +27,7 @@ def setUp(self):
         super().setUp()
         self.old_environ = os.environ.copy()
         self.original_work_dir = os.getcwd()
-        self.tmp_dir = tempfile.mkdtemp(suffix="_pre_commit_vauxoo")
+        self.tmp_dir = os.path.realpath(tempfile.mkdtemp(suffix="_pre_commit_vauxoo"))
         os.chdir(self.tmp_dir)
         self.runner = CliRunner()
         src_path = os.path.join(os.path.dirname(os.path.dirname(os.path.realpath(__file__))), "resources")