chore(deps-dev): bump @vitest/coverage-v8 from 2.1.4 to 2.1.6

Bumps [@vitest/coverage-v8](https://github.com/vitest-dev/vitest/tree/HEAD/packages/coverage-v8) from 2.1.4 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/coverage-v8)

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

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

package.json

@@ -19,7 +19,7 @@
   },
   "devDependencies": {
     "@vitejs/plugin-vue": "^5.1.4",
-    "@vitest/coverage-v8": "^2.1.4",
+    "@vitest/coverage-v8": "^2.1.6",
     "@vue/test-utils": "^2.4.6",
     "esbuild": "^0.24.0",
     "jsdom": "^25.0.1",