Enable Complexity for ruff

pyproject.toml

@@ -61,7 +61,11 @@ ignore = ["freqtrade/vendor/**"]
 [tool.ruff]
 line-length = 100
 extend-exclude = [".env"]
+target-version = "py38"
 extend-select = [
+  "C90",    # mccabe
+  # "N",    # pep8-naming
+  # "UP",   # pyupgrade
   "TID",    # flake8-tidy-imports
   # "EXE",  # flake8-executable
   "YTT",    # flake8-2020
@@ -70,3 +74,6 @@ extend-select = [
   # "TCH",  # flake8-type-checking
   # "PTH",  # flake8-use-pathlib
 ]
+
+[tool.ruff.mccabe]
+max-complexity = 12