chore(deps-dev): bump @vitest/coverage-istanbul from 4.0.15 to 4.0.16

Bumps [@vitest/coverage-istanbul](https://github.com/vitest-dev/vitest/tree/HEAD/packages/coverage-istanbul) from 4.0.15 to 4.0.16.
- [Release notes](https://github.com/vitest-dev/vitest/releases)
- [Commits](https://github.com/vitest-dev/vitest/commits/v4.0.16/packages/coverage-istanbul)

---
updated-dependencies:
- dependency-name: "@vitest/coverage-istanbul"
  dependency-version: 4.0.16
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

package-lock.json

@@ -38,7 +38,7 @@
     "@nextcloud/eslint-config": "^9.0.0-rc.6",
     "@nextcloud/vite-config": "^2.5.2",
     "@pinia/testing": "^1.0.3",
-    "@vitest/coverage-istanbul": "^4.0.15",
+    "@vitest/coverage-istanbul": "^4.0.16",
     "@vue/test-utils": "^2.4.6",
     "@vue/tsconfig": "^0.8.1",
     "browserslist": "^4.28.1",