Bump vitest from 4.0.8 to 4.0.16 (#3330)

Bumps [vitest](https://github.com/vitest-dev/vitest/tree/HEAD/packages/vitest) from 4.0.8 to 4.0.16.
- [Release notes](https://github.com/vitest-dev/vitest/releases)
- [Commits](https://github.com/vitest-dev/vitest/commits/v4.0.16/packages/vitest)

---
updated-dependencies:
- dependency-name: vitest
  dependency-version: 4.0.16
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

pnpm-lock.yaml

@@ -40,7 +40,7 @@
     "svelte-preprocess": "^6.0.3",
     "typescript": "^5.9.3",
     "vite": "^7.2.2",
-    "vitest": "^4.0.8"
+    "vitest": "^4.0.16"
   },
   "packageManager": "[email protected]",
   "engines": {