fix(package): update normalize-url to version 2.0.0 (#254)

Author: greenkeeper[bot]

package.json

@@ -40,7 +40,7 @@
     "fs-extra": "^4.0.0",
     "he": "^1.1.0",
     "lodash": "^4.11.1",
-    "normalize-url": "^1.5.3",
+    "normalize-url": "^2.0.0",
     "p-queue": "^2.1.0",
     "request": "^2.81.0",
     "srcset": "^1.0.0"