build(deps): update ruff requirement from <0.6.5 to <0.6.6

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...0.6.5)

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

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

pyproject.toml

@@ -28,7 +28,7 @@ requires-python = ">=3.11"
 lint = [
     # NOTE: ruff is under active development, so we pin conservatively here
     # and let Dependabot periodically perform this update.
-    "ruff < 0.6.5",
+    "ruff < 0.6.6",
     "mypy >= 1.0",
     "types-pyyaml",
     "types-pyOpenSSL",