chore(deps-dev): bump vitest from 2.1.5 to 2.1.6

Bumps [vitest](https://github.com/vitest-dev/vitest/tree/HEAD/packages/vitest) from 2.1.5 to 2.1.6.
- [Release notes](https://github.com/vitest-dev/vitest/releases)
- [Commits](https://github.com/vitest-dev/vitest/commits/v2.1.6/packages/vitest)

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

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

Author: dependabot[bot]

examples/app/package.json

@@ -36,7 +36,7 @@
     "source-map-support": "^0.5.21",
     "tsx": "^4.19.2",
     "typescript": "^5.6.3",
-    "vitest": "^2.0.5"
+    "vitest": "^2.1.6"
   },
   "dependencies": {
     "@aws-lambda-powertools/batch": "^2.11.0",