chore(deps): update dependency @types/node to v14 (#4695)

Co-authored-by: Renovate Bot <bot@renovateapp.com>

package.json

@@ -100,7 +100,7 @@
     "@types/lodash-es": "^4.17.3",
     "@types/lru-cache": "^5.1.0",
     "@types/markdown-it": "^10.0.2",
-    "@types/node": "^13.13.4",
+    "@types/node": "^14.0.0",
     "@types/postcss-load-config": "^2.0.1",
     "@types/raf": "^3.4.0",
     "@typescript-eslint/eslint-plugin": "^4.1.0",