fix: explicitly install ruff in nox sessions and update dev dependencies

Author: ShawnDen-coder

noxfile.py

@@ -41,6 +41,7 @@ def install_with_uv(session: nox.Session, extras: list[str] | None = None) -> No
         extras: Optional list of extra dependency groups to install (e.g. ["dev", "docs"])
     """
     session.install("uv")
+    session.install("ruff")  # Explicitly install ruff
     if extras:
         session.run("uv", "sync", *(f"--extra={extra}" for extra in extras))
     else:

pyproject.toml

@@ -16,7 +16,7 @@ dependencies = [
 
 [project.optional-dependencies]
 dev = [
-    "ruff>=0.8.4",
+    "ruff>=0.9.6",
     "nox>=2024.10.9",
     "pytest>=8.3.4",
     "pytest-mock>=3.14.0",
@@ -43,6 +43,11 @@ repo_scaffold = ["templates/**/*", "cookiecutter.json"]
 requires = ["hatchling"]
 build-backend = "hatchling.build"
 
+[dependency-groups]
+dev = [
+    "ruff>=0.9.6",
+]
+
 [tool.ruff]
 line-length = 120
 include = ["pyproject.toml", "repo_scaffold/*.py"]