Update ruff requirement from ^0.1.6 to ^0.6.9

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@v0.1.6...0.6.9)

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

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

pyproject.toml

@@ -31,7 +31,7 @@ zetascale = "*"
 
 
 [tool.poetry.group.lint.dependencies]
-ruff = "^0.1.6"
+ruff = "^0.6.9"
 types-toml = "^0.10.8.1"
 types-redis = "^4.3.21.6"
 types-pytz = "^2023.3.0.0"