chore(deps): update dependency vitepress to ^2.0.0-alpha.16

Author: renovate[bot]

package.json

@@ -33,7 +33,7 @@
     "release-it": "^19.2.4",
     "release-it-pnpm": "^4.6.6",
     "typescript": "^5.9.3",
-    "vitepress": "^2.0.0-alpha.15"
+    "vitepress": "^2.0.0-alpha.16"
   },
   "peerDependencies": {
     "vite": "^7.2.2"