Bumps [engine.io](https://github.com/socketio/engine.io) from 6.4.1 to 6.4.2. <details> <summary>Release notes</summary> <p><em>Sourced from <a href="https://github.com/socketio/engine.io/releases">engine.io's releases</a>.</em></p> <blockquote> <h2>6.4.2</h2> <p>⚠️ This release contains an important security fix ⚠️</p> <p>A malicious client could send a specially crafted HTTP request, triggering an uncaught exception and killing the Node.js process:</p> <pre><code>TypeError: Cannot read properties of undefined (reading 'handlesUpgrades') at Server.onWebSocket (build/server.js:515:67) </code></pre> <p>Please upgrade as soon as possible.</p> <h3>Bug Fixes</h3> <ul> <li>include error handling for Express middlewares (<a href="https://redirect.github.com/socketio/engine.io/issues/674">#674</a>) (<a href=" |
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