Bump the all-demo group across 1 directory with 2 updates

Bumps the all-demo group with 2 updates in the /demo directory: [@primer/primitives](https://github.com/primer/primitives) and [vite](https://github.com/vitejs/vite/tree/HEAD/packages/vite).


Updates `@primer/primitives` from 9.1.1 to 9.1.2
- [Release notes](https://github.com/primer/primitives/releases)
- [Changelog](https://github.com/primer/primitives/blob/main/CHANGELOG.md)
- [Commits](primer/primitives@v9.1.1...v9.1.2)

Updates `vite` from 5.4.6 to 5.4.8
- [Release notes](https://github.com/vitejs/vite/releases)
- [Changelog](https://github.com/vitejs/vite/blob/v5.4.8/packages/vite/CHANGELOG.md)
- [Commits](https://github.com/vitejs/vite/commits/v5.4.8/packages/vite)

---
updated-dependencies:
- dependency-name: "@primer/primitives"
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: all-demo
- dependency-name: vite
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: all-demo
...

Signed-off-by: dependabot[bot] <support@github.com>

demo/package.json

@@ -4,13 +4,13 @@
   "version": "0.1.0",
   "dependencies": {
     "@primer/css": "^21.3.6",
-    "@primer/primitives": "^9.1.1",
+    "@primer/primitives": "^9.1.2",
     "@rails/actioncable": "^7.2.100",
     "@rails/ujs": "^7.1.400",
     "turbolinks": "^5.2.0"
   },
   "devDependencies": {
-    "vite": "^5.4.6",
+    "vite": "^5.4.8",
     "vite-plugin-ruby": "^5.1.0"
   },
   "scripts": {