Webpack version compatible to node 8

Author: lforst

packages/node/test/manual/webpack-async-context/package.json

@@ -4,10 +4,9 @@
   "main": "index.js",
   "license": "MIT",
   "dependencies": {
-    "webpack": "^5.90.0"
+    "webpack": "^4.47.0"
   },
   "volta": {
-    "extends": "../../../../../package.json",
-    "node": "10.24.1"
+    "extends": "../../../../../package.json"
   }
 }