build(deps-dev): bump nyc from 15.1.0 to 17.1.0

Bumps [nyc](https://github.com/istanbuljs/nyc) from 15.1.0 to 17.1.0.
- [Release notes](https://github.com/istanbuljs/nyc/releases)
- [Changelog](https://github.com/istanbuljs/nyc/blob/main/CHANGELOG.md)
- [Commits](istanbuljs/nyc@v15.1.0...nyc-v17.1.0)

---
updated-dependencies:
- dependency-name: nyc
  dependency-version: 17.1.0
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

package.json

@@ -25,7 +25,7 @@
     "coveralls": "^3.1.1",
     "cross-env": "^7.0.3",
     "mocha": "^6.2.2",
-    "nyc": "^15.0.0",
+    "nyc": "^17.1.0",
     "pmock": "^0.2.3",
     "standard": "^14.3.1"
   },