Address ruff warnings

Found while running pre-commit in verbose mode:

```shell
$ pre-commit run -av ruff
...
warning: The top-level linter settings are deprecated
in favour of their counterparts in the `lint` section.
Please update the following options in `pyproject.toml`:
  - 'select' -> 'lint.select'
  - 'flake8-quotes' -> 'lint.flake8-quotes'
```

Author: kurtmckee

pyproject.toml

@@ -132,10 +132,14 @@ testpaths = [
 
 [tool.ruff]
 line-length = 120
+
+# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # #
+
+[tool.ruff.lint]
 select = ["E", "F", "W", "C901", "Q"]
 
 # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # #
 
-[tool.ruff.flake8-quotes]
+[tool.ruff.lint.flake8-quotes]
 docstring-quotes = "double"
 inline-quotes = "double"