chore(deps-dev): bump @vitest/coverage-istanbul from 2.1.2 to 2.1.3

Bumps [@vitest/coverage-istanbul](https://github.com/vitest-dev/vitest/tree/HEAD/packages/coverage-istanbul) from 2.1.2 to 2.1.3.
- [Release notes](https://github.com/vitest-dev/vitest/releases)
- [Commits](https://github.com/vitest-dev/vitest/commits/v2.1.3/packages/coverage-istanbul)

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

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

package.json

@@ -16,7 +16,7 @@
     "@nextcloud/eslint-config": "^8.4.1",
     "@nextcloud/vite-config": "^1.4.2",
     "@pinia/testing": "^0.1.5",
-    "@vitest/coverage-istanbul": "^2.1.2",
+    "@vitest/coverage-istanbul": "^2.1.3",
     "@vue/test-utils": "^1.3.6",
     "@vue/tsconfig": "^0.5.1",
     "eslint-plugin-chai-friendly": "^1.0.1",