fix(package): update config to version 3.0.1

package.json

@@ -61,7 +61,7 @@
     "clarinet": "~0.12.0",
     "colors": "~1.3.2",
     "concurrently": "~4.1.0",
-    "config": "~2.0.0",
+    "config": "~3.0.1",
     "cookie-parser": "~1.4",
     "cors": "~2.8.5",
     "dottie": "~2.0.1",