chore: add ruff to dev deps

The `pyproject.toml` file contains a `[tool.ruff]` section, but Ruff is
missing from the dev dependencies. I assume this was an oversight and
this commits adds it.

I have also taken the opportunity to sort the dev (and `old_deps_pins`)
dependencies in alphabetical order.

Signed-off-by: JP-Ellis <josh@jpellis.me>

pyproject.toml

@@ -75,27 +75,28 @@ dev = [
     "pre-commit>=4",
     "pyinstaller>=6",
     "pylint>=3.2",
-    "pytest>=8",
     "pytest-cov>=6",
+    "pytest>=8",
     "requests>=2",
+    "ruff>=0.9.0",
     "setuptools>=67",
-    "sphinx>=7",
     "sphinx-autodoc-typehints>=2",
-    "tox>=4",
+    "sphinx>=7",
     "tox-uv>=1",
+    "tox>=4",
     "twine>=5",
     "types-setuptools>=67",
     "types-simplejson>=3",
 ]
 # Pin some lower bounds for transitive dependencies in the old_deps tests
 # This a basically determined by increasing them until getting a combination that runs.
 old_deps_pins = [
-    "bottle>=0.12.20",  # older ones didn't build
+    "bottle>=0.12.20",         # older ones didn't build
     "importlib_metadata>=3.6",
     "jaraco-functools>=4",
-    "lxml>=5.3.0",  # older ones don't have wheels for recent Python versions
+    "lxml>=5.3.0",             # older ones don't have wheels for recent Python versions
     "more-itertools>=6",
-    "pytest>=7.2",  # also used for running the tests of Fava, needs to somewhat recent
+    "pytest>=7.2",             # also used for running the tests of Fava, needs to somewhat recent
     "python-dateutil>=2",
     "pytz>=2020",
     "setuptools>=67",