update majors library

Author: wasin-waeosri

README.md

@@ -84,4 +84,4 @@ For any questions related to this article or the WebSocket API page, please use
 - 11 January 2018: Now the application can handle subscription IDs.
 - 28 January 2021: Rebranding.
 - 17 March 2021: Update libraries.
-- 11 May 2021: Update lodash library (CVE-2021-23337).
+- 11 May 2021: Update lodash library (CVE-2021-23337) and major libraries.

package-lock.json

@@ -5,17 +5,17 @@
   "main": "server.js",
   "dependencies": {
     "@types/express": "^4.17.11",
-    "@types/node": "^14.14.35",
+    "@types/node": "^15.0.2",
     "@types/websocket": "^1.0.2",
     "express": "^4.17.1"
   },
   "devDependencies": {
     "awesome-typescript-loader": "^5.2.1",
-    "mem": "^8.0.0",
+    "mem": "^8.1.1",
     "source-map-loader": "^2.0.1",
-    "typescript": "^4.2.3",
-    "webpack": "5.24.4",
-    "webpack-cli": "^4.5.0",
+    "typescript": "^4.2.4",
+    "webpack": "5.37.0",
+    "webpack-cli": "^4.7.0",
     "yargs-parser": "^20.2.7"
   },
   "scripts": {