remove obsolete ruff rule

warning: The following rules have been removed and ignoring them has no effect:
    - UP038

Author: DimitriPapadopoulos

pyproject.toml

@@ -211,7 +211,6 @@ ignore = [
     "TRY003",
     "TRY301",
     "UP007",
-    "UP038",  # https://github.com/astral-sh/ruff/issues/7871
     # https://docs.astral.sh/ruff/formatter/#conflicting-lint-rules
     "W191",
     "E111",