Bump ws from 8.5.0 to 8.18.1 in /frontend (#332)

Bumps [ws](https://github.com/websockets/ws) from 8.5.0 to 8.18.1.
- [Release notes](https://github.com/websockets/ws/releases)
- [Commits](https://github.com/websockets/ws/compare/8.5.0...8.18.1)

---
updated-dependencies:
- dependency-name: ws
  dependency-type: indirect
...

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frontend/package-lock.json

@@ -8504,16 +8504,17 @@
       "dev": true
     },
     "node_modules/ws": {
-      "version": "8.5.0",
+      "version": "8.18.1",
-      "resolved": "https://registry.npmjs.org/ws/-/ws-8.5.0.tgz",
+      "resolved": "https://registry.npmjs.org/ws/-/ws-8.18.1.tgz",
-      "integrity": "sha512-BWX0SWVgLPzYwF8lTzEy1egjhS4S4OEAHfsO8o65WOVsrnSRGaSiUaa9e0ggGlkMTtBlmOpEXiie9RUcBO86qg==",
+      "integrity": "sha512-RKW2aJZMXeMxVpnZ6bck+RswznaxmzdULiBr6KY7XkTnW8uvt0iT9H5DkHUChXrc+uurzwa0rVI16n/Xzjdz1w==",
       "dev": true,
+      "license": "MIT",
       "engines": {
         "node": ">=10.0.0"
       },
       "peerDependencies": {
         "bufferutil": "^4.0.1",
-        "utf-8-validate": "^5.0.2"
+        "utf-8-validate": ">=5.0.2"
       },
       "peerDependenciesMeta": {
         "bufferutil": {