build(deps-dev): upgrade nyc to ^15.0.0 & @istanbuljs/nyc-config-typescript to ^1.0.1

Author: malept

package.json

@@ -102,7 +102,7 @@
     "@babel/preset-env": "^7.6.3",
     "@babel/preset-typescript": "^7.6.0",
     "@babel/register": "^7.6.0",
-    "@istanbuljs/nyc-config-typescript": "^0.1.3",
+    "@istanbuljs/nyc-config-typescript": "^1.0.1",
     "@types/chai": "^4.2.7",
     "@types/chai-as-promised": "^7.1.2",
     "@types/cross-spawn": "^6.0.1",
@@ -151,7 +151,7 @@
     "minimist": "^1.2.0",
     "mocha": "^6.2.2",
     "nodemon": "^2.0.2",
-    "nyc": "^14.1.1",
+    "nyc": "^15.0.0",
     "proxyquire": "^2.1.3",
     "rimraf": "^3.0.0",
     "sinon": "^8.0.4",