chore(deps-dev): bump vitest from 3.2.4 to 4.0.16

Bumps [vitest](https://github.com/vitest-dev/vitest/tree/HEAD/packages/vitest) from 3.2.4 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-major
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

apps/web/package.json

@@ -25,7 +25,7 @@
     "jsdom": "^27.0.0",
     "typescript": "^5.9.2",
     "vite": "^7.1.7",
-    "vitest": "^3.0.5",
+    "vitest": "^4.0.18",
     "web-vitals": "^5.1.0"
   },
   "private": true,