chore(package): update nsp to version 2.8.0

Author: greenkeeper[bot]

package.json

@@ -42,7 +42,7 @@
     "eslint-plugin-react": "~7.3.0",
     "eslint-plugin-standard": "~3.0.1",
     "nodeshift": "^0.6.0",
-    "nsp": "~2.7.0",
+    "nsp": "~2.8.0",
     "nyc": "~11.1.0",
     "proxyquire": "^1.8.0",
     "standard-version": "^4.2.0",