chore(deps-dev): Bump @vitest/coverage-istanbul from 1.3.1 to 1.4.0

Bumps [@vitest/coverage-istanbul](https://github.com/vitest-dev/vitest/tree/HEAD/packages/coverage-istanbul) from 1.3.1 to 1.4.0.
- [Release notes](https://github.com/vitest-dev/vitest/releases)
- [Commits](https://github.com/vitest-dev/vitest/commits/v1.4.0/packages/coverage-istanbul)

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

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

package.json

@@ -55,7 +55,7 @@
     "@nextcloud/typings": "^1.8.0",
     "@nextcloud/vite-config": "^1.2.2",
     "@types/node": "^20.11.28",
-    "@vitest/coverage-istanbul": "^1.3.1",
+    "@vitest/coverage-istanbul": "^1.4.0",
     "fast-xml-parser": "^4.3.5",
     "jsdom": "^24.0.0",
     "tslib": "^2.6.2",