Bump vite from 5.4.12 to 5.4.15 in /builddefs/docsgen (#25065)

Bumps [vite](https://github.com/vitejs/vite/tree/HEAD/packages/vite) from 5.4.12 to 5.4.15.
- [Release notes](https://github.com/vitejs/vite/releases)
- [Changelog](https://github.com/vitejs/vite/blob/v5.4.15/packages/vite/CHANGELOG.md)
- [Commits](https://github.com/vitejs/vite/commits/v5.4.15/packages/vite)

---
updated-dependencies:
- dependency-name: vite
  dependency-type: direct:development
...

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builddefs/docsgen/package.json

@@ -1,7 +1,7 @@
 {
   "license": "GPL-2.0-or-later",
   "devDependencies": {
-    "vite": "^5.4.12",
+    "vite": "^5.4.15",
     "vitepress": "^1.1.0",
     "vitepress-plugin-tabs": "^0.5.0",
     "vue": "^3.4.24"