Bump nyc from 10.3.2 to 13.1.0

Bumps [nyc](https://github.com/istanbuljs/nyc) from 10.3.2 to 13.1.0.
- [Release notes](https://github.com/istanbuljs/nyc/releases)
- [Changelog](https://github.com/istanbuljs/nyc/blob/master/CHANGELOG.md)
- [Commits](istanbuljs/nyc@v10.3.2...v13.1.0)

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

package.json

@@ -43,7 +43,7 @@
     "hap-nodejs": "^0.4.21",
     "jshint": "^2.9.4",
     "mocha": "^3.2.0",
-    "nyc": "^10.0.0",
+    "nyc": "^13.1.0",
     "should": "^11.1.2",
     "sinon": "^1.17.7",
     "sinon-chai": "^2.8.0"