Run black to fix the new formatting failures

Signed-off-by: Leandro Lucarella <luca-frequenz@llucax.com>

Author: llucax

src/frequenz/repo/config/cli/version/mike/sort.py

@@ -3,7 +3,6 @@
 
 """Sort `mike`'s `version.json` file with a custom order."""
 
-
 import json
 import sys
 from typing import Any, TextIO

src/frequenz/repo/config/github.py

@@ -14,7 +14,6 @@
     logging for GitHub Actions.
 """
 
-
 import logging
 import os
 import subprocess

src/frequenz/repo/config/mkdocs/mkdocstrings_macros.py

@@ -108,7 +108,6 @@ def define_env(env: macros.MacrosPlugin) -> None:
 ```
 """
 
-
 import logging
 from typing import Any
 

src/frequenz/repo/config/nox/util.py

@@ -7,7 +7,6 @@
 modules in this package.
 """
 
-
 import pathlib as _pathlib
 import tomllib as _tomllib
 from collections.abc import Iterable, Mapping