Bump ws from 8.13.0 to 8.18.2 (#268)

Bumps [ws](https://github.com/websockets/ws) from 8.13.0 to 8.18.2.
- [Release notes](https://github.com/websockets/ws/releases)
- [Commits](websockets/ws@8.13.0...8.18.2)

---
updated-dependencies:
- dependency-name: ws
  dependency-version: 8.18.2
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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Author: dependabot[bot]

package-lock.json

@@ -26,7 +26,7 @@
     "express": "^4.19.2",
     "node-cache": "^5.1.2",
     "node-cmd": "^5.0.0",
-    "ws": "^8.13.0"
+    "ws": "^8.18.2"
   },
   "devDependencies": {
     "eslint": "^7.32.0",