chore(package): update @types/node to version 14.0.3

Closes #11

Author: greenkeeper[bot]

package.json

@@ -32,7 +32,7 @@
         "@types/commander": "~2.12.2",
         "@types/inquirer": "~0.0.43",
         "@types/jsonfile": "~4.0.1",
-        "@types/node": "^10.12.2",
+        "@types/node": "^14.0.3",
         "@types/webpack-merge": "~4.1.3",
         "np": "~3.0.4",
         "prettier": "~1.14.3",