😒 chore(deps-dev): Upgrade nyc.

Author: make-github-pseudonymous-again

package.json

@@ -91,7 +91,7 @@
     "codeclimate-test-reporter": "^0.4.1",
     "coveralls": "^2.11.16",
     "esdoc": "^1.1.0",
-    "nyc": "^11.0.1",
+    "nyc": "^15.1.0",
     "@babel/cli": "7.11.6",
     "@babel/core": "7.11.6",
     "@babel/preset-env": "7.11.5",