chore(deps-dev): bump the vitest group in /mono with 2 updates (#2545)

Bumps the vitest group in /mono with 2 updates: [@vitest/coverage-v8](https://github.com/vitest-dev/vitest/tree/HEAD/packages/coverage-v8) and [vitest](https://github.com/vitest-dev/vitest/tree/HEAD/packages/vitest).


Updates `@vitest/coverage-v8` from 2.1.4 to 2.1.5
- [Release notes](https://github.com/vitest-dev/vitest/releases)
- [Commits](https://github.com/vitest-dev/vitest/commits/v2.1.5/packages/coverage-v8)

Updates `vitest` from 2.1.4 to 2.1.5
- [Release notes](https://github.com/vitest-dev/vitest/releases)
- [Commits](https://github.com/vitest-dev/vitest/commits/v2.1.5/packages/vitest)

---
updated-dependencies:
- dependency-name: "@vitest/coverage-v8"
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: vitest
- dependency-name: vitest
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: vitest
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

mono/docs/starlight/package.json

@@ -9,9 +9,9 @@
   },
   "devDependencies": {
     "@astrojs/check": "0.9.4",
-    "@vitest/coverage-v8": "2.1.4",
+    "@vitest/coverage-v8": "2.1.5",
     "typescript": "5.6.3",
-    "vitest": "2.1.4"
+    "vitest": "2.1.5"
   },
   "scripts": {
     "astro": "astro",