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

Author: 56kyle

.cookiecutter.json

@@ -1,5 +1,5 @@
 {
-  "_commit": "e75916b0cb7d49cc8b12acaf0af9098ec3ccca28",
+  "_commit": "a80195693b4b6bc5a6e6b9e968dc3c827bb2a051",
   "_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": "e75916b0cb7d49cc8b12acaf0af9098ec3ccca28",
+  "commit": "a80195693b4b6bc5a6e6b9e968dc3c827bb2a051",
   "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": "e75916b0cb7d49cc8b12acaf0af9098ec3ccca28"
+      "_commit": "a80195693b4b6bc5a6e6b9e968dc3c827bb2a051"
     }
   },
   "directory": null

.github/workflows/build-python.yml

@@ -54,6 +54,9 @@ jobs:
         with:
           python-version-file: ".github/workflows/.python-version"
 
+      - name: Run package build
+        run: uvx nox -s build-python
+
       - name: Upload built package artifacts
         uses: actions/upload-artifact@v4
         with: