Add Node types to dev dependencies

npm-shrinkwrap.json

@@ -480,9 +480,9 @@
       }
     },
     "@types/node": {
-      "version": "12.6.8",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-12.6.8.tgz",
-      "integrity": "sha512-aX+gFgA5GHcDi89KG5keey2zf0WfZk/HAQotEamsK2kbey+8yGKcson0hbK8E+v0NArlCJQCqMP161YhV6ZXLg==",
+      "version": "14.11.10",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-14.11.10.tgz",
+      "integrity": "sha512-yV1nWZPlMFpoXyoknm4S56y2nlTAuFYaJuQtYRAOU7xA/FJ9RY0Xm7QOkaYMMmr8ESdHIuUb6oQgR/0+2NqlyA==",
       "dev": true
     },
     "@types/normalize-package-data": {