chore(deps-dev): bump @vitest/coverage-istanbul from 4.1.5 to 4.1.6

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

---
updated-dependencies:
- dependency-name: "@vitest/coverage-istanbul"
  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

@@ -36,7 +36,7 @@
     "@nextcloud/eslint-config": "^9.0.0-rc.9",
     "@nextcloud/vite-config": "^2.5.2",
     "@pinia/testing": "^1.0.3",
-    "@vitest/coverage-istanbul": "^4.1.5",
+    "@vitest/coverage-istanbul": "^4.1.6",
     "@vue/test-utils": "^2.4.6",
     "@vue/tsconfig": "^0.9.1",
     "browserslist": "^4.28.2",