fix(package): update url-join to version 3.0.0

Author: greenkeeper[bot]

package.json

@@ -21,7 +21,7 @@
     "escape-string-regexp": "^1.0.5",
     "got": "^8.0.1",
     "parse-path": "^3.0.2",
-    "url-join": "^2.0.2"
+    "url-join": "^3.0.0"
   },
   "devDependencies": {
     "ava": "^0.24.0",