Pin black to previous stable version

BSchilperoort · BSchilperoort · commit b8b0d0c6708e · 2024-01-31T16:31:32.000+01:00
diff --git a/pyproject.toml b/pyproject.toml
@@ -72,7 +72,7 @@ dev = [
     "bump2version",
     "hatch",
     "ruff",
-    "black",
+    "black==23.12.1",  # pin until switching to ruff formatter
     "isort",
     "mypy",
     "pytest",
