Update ruff requirement from ==0.1.4 to ==0.1.9 (#2753)

Updates the requirements on [ruff](https://github.com/astral-sh/ruff) to permit the latest version.
- [Release notes](https://github.com/astral-sh/ruff/releases)
- [Changelog](https://github.com/astral-sh/ruff/blob/main/CHANGELOG.md)
- [Commits](astral-sh/ruff@v0.1.4...v0.1.9)

---
updated-dependencies:
- dependency-name: ruff
  dependency-type: direct:development
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Daniel J. Beutel <daniel@flower.dev>

pyproject.toml

@@ -109,7 +109,7 @@ furo = "==2023.9.10"
 sphinx-reredirects = "==0.1.3"
 nbsphinx = "==0.9.3"
 nbstripout = "==0.6.1"
-ruff = "==0.1.4"
+ruff = "==0.1.9"
 sphinx-argparse = "==0.4.0"
 pipreqs = "==0.4.13"
 mdformat-gfm = "==0.3.5"