chore(deps-dev): bump nyc from 14.1.1 to 15.1.0

Bumps [nyc](https://github.com/istanbuljs/nyc) from 14.1.1 to 15.1.0.
- [Changelog](https://github.com/istanbuljs/nyc/blob/master/CHANGELOG.md)
- [Commits](istanbuljs/nyc@v14.1.1...v15.1.0)

---
updated-dependencies:
- dependency-name: nyc
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

package.json

@@ -117,7 +117,7 @@
     "lcov-result-merger": "^3.1.0",
     "mocha": "^7.2.0",
     "mock-local-storage": "^1.1.15",
-    "nyc": "^14.1.1",
+    "nyc": "^15.1.0",
     "ora": "^4.1.1",
     "prettier": "^2.7.1",
     "prettier-package-json": "^2.7.0",