fix(deps-dev): bump @vitest/coverage-v8 from 4.1.5 to 4.1.6

Bumps [@vitest/coverage-v8](https://github.com/vitest-dev/vitest/tree/HEAD/packages/coverage-v8) from 4.1.5 to 4.1.6.
- [Release notes](https://github.com/vitest-dev/vitest/releases)
- [Commits](https://github.com/vitest-dev/vitest/commits/v4.1.6/packages/coverage-v8)

---
updated-dependencies:
- dependency-name: "@vitest/coverage-v8"
  dependency-version: 4.1.6
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

package-lock.json

@@ -23,7 +23,7 @@
         "@tailwindcss/vite": "^4.0.0",
         "@types/node": "^25.6.2",
         "@types/pako": "^2.0.4",
-        "@vitest/coverage-v8": "^4.1.5",
+        "@vitest/coverage-v8": "^4.1.6",
         "eslint": "^10.3.0",
         "eslint-plugin-svelte": "^3.17.1",
         "fast-check": "^4.8.0",