Bump ws from 7.2.0 to 7.4.6 (#13)

Bumps [ws](https://github.com/websockets/ws) from 7.2.0 to 7.4.6.
- [Release notes](https://github.com/websockets/ws/releases)
- [Commits](websockets/ws@7.2.0...7.4.6)

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Author: dependabot[bot]

package-lock.json

@@ -31,7 +31,7 @@
         "ari-client": "^2.2.0",
         "chalk": "^2.4.2",
         "datagram-stream": "^1.1.1",
-        "ws": "^7.2.0",
+        "ws": "^7.4.6",
         "yargs": "^14.2.0"
     },
     "optionalDependencies": {