chore: update demo to the latest cookiecutter-robust-python

Author: 56kyle

.cookiecutter.json

@@ -1,5 +1,5 @@
 {
-  "_commit": "742c9257b9b008cc0801f4817a0e9f2d029a8cce",
+  "_commit": "2703dc5244f82596b74101c9d19393c4168a3f9a",
   "_template": "C:\\Users\\56kyl\\source\\repos\\cookiecutter-robust-python",
   "add_rust_extension": false,
   "author": "Kyle Oliver",

.cruft.json

@@ -1,6 +1,6 @@
 {
   "template": "C:\\Users\\56kyl\\source\\repos\\cookiecutter-robust-python",
-  "commit": "742c9257b9b008cc0801f4817a0e9f2d029a8cce",
+  "commit": "2703dc5244f82596b74101c9d19393c4168a3f9a",
   "checkout": null,
   "context": {
     "cookiecutter": {
@@ -18,7 +18,7 @@
       "license": "MIT",
       "development_status": "Development Status :: 1 - Planning",
       "_template": "C:\\Users\\56kyl\\source\\repos\\cookiecutter-robust-python",
-      "_commit": "742c9257b9b008cc0801f4817a0e9f2d029a8cce"
+      "_commit": "2703dc5244f82596b74101c9d19393c4168a3f9a"
     }
   },
   "directory": null

noxfile.py

@@ -86,12 +86,14 @@ def lint_python(session: Session) -> None:
     session.run("uvx", "ruff", "check", "--fix", "--verbose")
 
 
-@nox.parametrize(arg_names="python_version", arg_values_list=PYTHON_VERSIONS, ids=PYTHON_VERSIONS)
-@nox.session(python=None, name="typecheck", tags=[TYPE, PYTHON, CI])
-def typecheck(session: Session, python_version: str) -> None:
+@nox.session(python=PYTHON_VERSIONS, name="typecheck", tags=[TYPE, PYTHON, CI])
+def typecheck(session: Session) -> None:
     """Run static type checking (Pyright) on Python code."""
-    session.log(f"Running Pyright check with py{python_version}.")
-    session.run("uvx", "pyright", "--pythonversion", python_version)
+    session.log("Installing type checking dependencies...")
+    session.install("-e", ".", "--group", "dev")
+
+    session.log(f"Running Pyright check with py{session.python}.")
+    session.run("pyright", "--pythonversion", session.python)
 
 
 @nox.session(python=None, name="security-python", tags=[SECURITY, PYTHON, CI])