chore(lambda): bump vitest

Bumps the vite group with 1 update in the /lambdas directory: [vitest](https://github.com/vitest-dev/vitest/tree/HEAD/packages/vitest).


Updates `vitest` from 3.2.4 to 4.0.5
- [Release notes](https://github.com/vitest-dev/vitest/releases)
- [Commits](https://github.com/vitest-dev/vitest/commits/v4.0.5/packages/vitest)

---
updated-dependencies:
- dependency-name: vitest
  dependency-version: 4.0.5
  dependency-type: direct:development
  update-type: version-update:semver-major
  dependency-group: vite
...

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

Author: dependabot[bot]

lambdas/package.json

@@ -44,7 +44,7 @@
     "ts-node-dev": "^2.0.0",
     "typescript": "^5.9.3",
     "vite": "^7.1.11",
-    "vitest": "^3.2.4"
+    "vitest": "^4.0.5"
   },
   "packageManager": "yarn@4.3.1"
 }