Bump vitest from 1.5.2 to 1.6.0 in the dev-dependencies group

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


Updates `vitest` from 1.5.2 to 1.6.0
- [Release notes](https://github.com/vitest-dev/vitest/releases)
- [Commits](https://github.com/vitest-dev/vitest/commits/v1.6.0/packages/vitest)

---
updated-dependencies:
- dependency-name: vitest
  dependency-type: direct:development
  update-type: version-update:semver-minor
  dependency-group: dev-dependencies
...

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

package.json

@@ -41,7 +41,7 @@
     "fixturify-project": "^2.1.1",
     "prettier": "^3.2.5",
     "release-plan": "^0.9.0",
-    "vitest": "^1.5.2"
+    "vitest": "^1.6.0"
   },
   "engines": {
     "node": "16.* || 18.* || >= 20"