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

Author: 56kyle

.cookiecutter.json

@@ -1,5 +1,5 @@
 {
-  "_commit": "9a676e5ee83ad4144a0b988d63d9b7776cedbb5b",
+  "_commit": "eb9b7dd453b9adc532f8e331392aa186b4e4b0b7",
   "_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": "9a676e5ee83ad4144a0b988d63d9b7776cedbb5b",
+  "commit": "eb9b7dd453b9adc532f8e331392aa186b4e4b0b7",
   "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": "9a676e5ee83ad4144a0b988d63d9b7776cedbb5b"
+      "_commit": "eb9b7dd453b9adc532f8e331392aa186b4e4b0b7"
     }
   },
   "directory": null

scripts/util.py

@@ -58,7 +58,7 @@ def remove_readonly(func: Callable[[str], Any], path: str, _: Any) -> None:
 def get_package_version() -> str:
     """Gets the package version."""
     result: subprocess.CompletedProcess = subprocess.run(
-        ["uvx", "version", "-p"],
+        ["uvx", "--with", "commitizen", "cz", "version", "-p"],
         cwd=REPO_FOLDER,
         capture_output=True
     )
@@ -124,6 +124,7 @@ def get_latest_release_notes() -> str:
     result: subprocess.CompletedProcess = subprocess.run(
         ["uvx", "--from", "commitizen", "cz", "changelog", rev_range, "--dry-run"],
         cwd=REPO_FOLDER,
+        capture_output=True,
         check=True
     )
     return result.stdout.decode("utf-8")