Ignore CPY001

A per-source copyright notice is not a priority for this project

Author: HexDecimal

pyproject.toml

@@ -153,6 +153,7 @@ line-length = 120
 [tool.ruff.lint] # https://docs.astral.sh/ruff/rules/
 select = ["ALL"]
 ignore = [
+    "CPY001", # missing-copyright-notice
     "COM",    # flake8-commas
     "E501",   # line-too-long
     "PYI064", # redundant-final-literal