build(deps-dev): update ruff requirement from <0.7 to <0.9

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@v0.0.18...0.8.0)

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

Signed-off-by: dependabot[bot] <[email protected]>

setup.py

@@ -37,7 +37,7 @@
     extras_require={
         "develop": [
             "black<25",
-            "ruff<0.7; python_version >= '3.7'",
+            "ruff<0.9; python_version >= '3.7'",
             "twine<6",
             "wheel<1",
         ],