chore: bump rpc-websockets from 7.4.14 to 7.4.15 in /web3.js (#20509)

Bumps [rpc-websockets](https://github.com/elpheria/rpc-websockets) from 7.4.14 to 7.4.15.
- [Release notes](https://github.com/elpheria/rpc-websockets/releases)
- [Commits](https://github.com/elpheria/rpc-websockets/compare/v7.4.14...v7.4.15)

---
updated-dependencies:
- dependency-name: rpc-websockets
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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web3.js/package-lock.json

@@ -15540,9 +15540,9 @@
       "dev": true
     },
     "node_modules/rpc-websockets": {
-      "version": "7.4.14",
-      "resolved": "https://registry.npmjs.org/rpc-websockets/-/rpc-websockets-7.4.14.tgz",
-      "integrity": "sha512-x/2Rwzla6bXAyE8A21yx3sHjn49JUlgBUYfnKurNeqrZQgFxfD43Udo5NkTWQp+TASrssTlks8ipcJfvswgv5g==",
+      "version": "7.4.15",
+      "resolved": "https://registry.npmjs.org/rpc-websockets/-/rpc-websockets-7.4.15.tgz",
+      "integrity": "sha512-ICuqy1MeGl7z0/kesAShN1Lz0AYvOPLpmv2hzfIV5YNGhmJl+B/osmFoWrvxZcQnn/wyPl4Q29ItTJkXFNc9oA==",
       "dependencies": {
         "@babel/runtime": "^7.11.2",
         "circular-json": "^0.5.9",
@@ -29732,9 +29732,9 @@
       }
     },
     "rpc-websockets": {
-      "version": "7.4.14",
-      "resolved": "https://registry.npmjs.org/rpc-websockets/-/rpc-websockets-7.4.14.tgz",
-      "integrity": "sha512-x/2Rwzla6bXAyE8A21yx3sHjn49JUlgBUYfnKurNeqrZQgFxfD43Udo5NkTWQp+TASrssTlks8ipcJfvswgv5g==",
+      "version": "7.4.15",
+      "resolved": "https://registry.npmjs.org/rpc-websockets/-/rpc-websockets-7.4.15.tgz",
+      "integrity": "sha512-ICuqy1MeGl7z0/kesAShN1Lz0AYvOPLpmv2hzfIV5YNGhmJl+B/osmFoWrvxZcQnn/wyPl4Q29ItTJkXFNc9oA==",
       "requires": {
         "@babel/runtime": "^7.11.2",
         "bufferutil": "^4.0.1",