😒 chore(deps-dev): Upgrade nyc.

Author: make-github-pseudonymous-again

package.json

@@ -42,7 +42,7 @@
     "codeclimate-test-reporter": "^0.4.0",
     "coveralls": "^2.11.15",
     "esdoc": "^1.1.0",
-    "nyc": "^11.0.1",
+    "nyc": "^15.0.1",
     "@babel/cli": "7.8.4",
     "@babel/core": "7.9.0",
     "@babel/polyfill": "7.8.7",