chore(deps-dev): bump @vitest/coverage-istanbul from 2.1.4 to 2.1.5

Bumps [@vitest/coverage-istanbul](https://github.com/vitest-dev/vitest/tree/HEAD/packages/coverage-istanbul) from 2.1.4 to 2.1.5.
- [Release notes](https://github.com/vitest-dev/vitest/releases)
- [Commits](https://github.com/vitest-dev/vitest/commits/v2.1.5/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] <[email protected]>

package.json

@@ -50,7 +50,7 @@
     "@types/node": "^22.9.0",
     "@typescript-eslint/eslint-plugin": "^8.12.2",
     "@typescript-eslint/parser": "^8.14.0",
-    "@vitest/coverage-istanbul": "^2.1.4",
+    "@vitest/coverage-istanbul": "^2.1.5",
     "eslint": "^8.57.1",
     "eslint-config-prettier": "^9.1.0",
     "eslint-plugin-node": "^11.1.0",