Bump @types/node from 7.0.43 to 12.0.2 in /terminus-core

Bumps [@types/node](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/node) from 7.0.43 to 12.0.2.
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/node)

terminus-core/package.json

@@ -18,7 +18,7 @@
   "license": "MIT",
   "devDependencies": {
     "@types/js-yaml": "^3.9.0",
-    "@types/node": "^7.0.37",
+    "@types/node": "^12.0.2",
     "@types/webpack-env": "^1.13.0",
     "@types/winston": "^2.3.6",
     "axios": "^0.18.0",

terminus-core/yarn.lock

@@ -7,10 +7,10 @@
   resolved "https://registry.yarnpkg.com/@types/js-yaml/-/js-yaml-3.9.1.tgz#2f3c142771bb345829ce690c5838760b6b9ba553"
   integrity sha512-6ejot8/A47YhEGg8K/Gi+/Nu4vohMgxEG383aBaHKjrGjJUQE7umk+vg5I7TaPe4C99nUZrCDw+weK3M7gg/oA==
 
-"@types/node@*", "@types/node@^7.0.37":
-  version "7.0.43"
-  resolved "https://registry.yarnpkg.com/@types/node/-/node-7.0.43.tgz#a187e08495a075f200ca946079c914e1a5fe962c"
-  integrity sha512-7scYwwfHNppXvH/9JzakbVxk0o0QUILVk1Lv64GRaxwPuGpnF1QBiwdvhDpLcymb8BpomQL3KYoWKq3wUdDMhQ==
+"@types/node@*", "@types/node@^12.0.2":
+  version "12.0.2"
+  resolved "https://registry.yarnpkg.com/@types/node/-/node-12.0.2.tgz#3452a24edf9fea138b48fad4a0a028a683da1e40"
+  integrity sha512-5tabW/i+9mhrfEOUcLDu2xBPsHJ+X5Orqy9FKpale3SjDA17j5AEpYq5vfy3oAeAHGcvANRCO3NV3d2D6q3NiA==
 
 "@types/webpack-env@^1.13.0":
   version "1.13.1"