build: use c8 for coverage (#278)

Co-authored-by: Benjamin E. Coe <[email protected]>

Author: 2 people

packages/google-cloud-dataproc/package.json

@@ -29,7 +29,7 @@
     "Google Cloud Dataproc API"
   ],
   "scripts": {
-    "test": "nyc mocha",
+    "test": "c8 mocha",
     "samples-test": "cd samples/ && npm link ../ && npm test && cd ../",
     "lint": "eslint '**/*.js'",
     "docs": "jsdoc -c .jsdoc.js",
@@ -54,7 +54,7 @@
     "jsdoc-region-tag": "^1.0.2",
     "linkinator": "^1.5.0",
     "mocha": "^6.0.0",
-    "nyc": "^14.0.0",
+    "c8": "^7.0.0",
     "power-assert": "^1.5.0",
     "prettier": "^1.13.3"
   }