bump npm-link-check to 3.0.0

Author: etpinard

package-lock.json

@@ -148,7 +148,7 @@
     "minify-stream": "^1.2.0",
     "minimist": "^1.2.0",
     "node-sass": "^4.10.0",
-    "npm-link-check": "^2.0.0",
+    "npm-link-check": "^3.0.0",
     "open": "0.0.5",
     "prepend-file": "^1.3.1",
     "prettysize": "1.1.0",