chore(deps-dev): bump vitest

Bumps [vitest](https://github.com/vitest-dev/vitest/tree/HEAD/packages/vitest) from 2.1.9 to 4.1.0.
- [Release notes](https://github.com/vitest-dev/vitest/releases)
- [Changelog](https://github.com/vitest-dev/vitest/blob/main/docs/releases.md)
- [Commits](https://github.com/vitest-dev/vitest/commits/v4.1.0/packages/vitest)

---
updated-dependencies:
- dependency-name: vitest
  dependency-version: 4.1.0
  dependency-type: direct:development
...

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

PROJECTS/advanced/encrypted-p2p-chat/frontend/package.json

@@ -43,6 +43,6 @@
     "typescript-eslint": "^8.56.0",
     "vite": "^7.3.2",
     "vite-plugin-solid": "^2.11.10",
-    "vitest": "^2.1.5"
+    "vitest": "^4.1.0"
   }
 }