Chore(deps): Update ruff requirement from <0.6 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:production
...

Signed-off-by: dependabot[bot] <support@github.com>

pyproject.toml

@@ -119,7 +119,7 @@ optional-dependencies.develop = [
   "pika-stubs<0.2",
   "poethepoet<0.28",
   "pyproject-fmt<2.3",
-  "ruff<0.6",
+  "ruff<0.9",
   "validate-pyproject<0.20",
 ]
 optional-dependencies.docs = [