fix(deps): update dependency @types/node to v12.12.43

Author: renovate-bot

package-lock.json

@@ -18,7 +18,7 @@
   "dependencies": {
     "@types/jest": "25.2.3",
     "@types/lodash.merge": "4.6.6",
-    "@types/node": "12.12.6",
+    "@types/node": "12.12.43",
     "@typescript-eslint/eslint-plugin": "3.1.0",
     "@typescript-eslint/parser": "3.1.0",
     "cross-env": "7.0.2",