Bump express from 4.17.1 to 4.17.3 in /event-bus#73

Bumps [express](https://github.com/expressjs/express) from 4.17.1 to 4.17.3. <details> <summary>Release notes</summary> <p><em>Sourced from <a href="https://github.com/expressjs/express/releases">express's releases</a>.</em></p> <blockquote> <h2>4.17.3</h2> <ul> <li>deps: accepts@~1.3.8 <ul> <li>deps: mime-types@~2.1.34</li> <li>deps: [email protected]</li> </ul> </li> <li>deps: [email protected] <ul> <li>deps: [email protected]</li> <li>deps: [email protected]</li> <li>deps: [email protected]</li> </ul> </li> <li>deps: [email protected]</li> <li>deps: [email protected] <ul> <li>Fix handling of <code>__proto__</code> keys</li> </ul> </li> <li>pref: remove unnecessary regexp for trust proxy</li> </ul> <h2>4.17.2</h2> <ul> <li>Fix handling of <code>undefined</code> in <code>res.jsonp</code></li> <li>Fix handling of <code>undefined</code> when <code>&quot;json escape&quot;</code> is enabled</li> <li>Fix incorrect middleware execution with unanchored <code>RegExp</code>s</li> <li>Fix <code>res.jsonp(obj, status)</code> deprecation message</li> <li>Fix typo in <code>res.is</code> JSDoc</li> <li>deps: [email protected] <ul> <li>deps: [email protected]</li> <li>deps: [email protected]</li> <li>deps: [email protected]</li> <li>deps: [email protected]</li> <li>deps: [email protected]</li> <li>deps: type-is@~1.6.18</li> </ul> </li> <li>deps: [email protected] <ul> <li>deps: [email protected]</li> </ul> </li> <li>deps: [email protected] <ul> <li>Fix <code>maxAge</code> option to reject invalid values</li> </ul> </li> <li>deps: proxy-addr@~2.0.7 <ul> <li>Use <code>req.socket</code> over deprecated <code>req.connection</code></li> <li>deps: [email protected]</li> <li>deps: [email protected]</li> </ul> </li> <li>deps: [email protected]</li> <li>deps: [email protected]</li> <li>deps: [email protected] <ul> <li>deps: [email protected]</li> <li>deps: [email protected]</li> <li>pref: ignore empty http tokens</li> </ul> </li> <li>deps: [email protected] <ul> <li>deps: [email protected]</li> </ul> </li> <li>deps: [email protected]</li> </ul> </blockquote> </details> <details> <summary>Changelog</summary> <p><em>Sourced from <a href="https://github.com/expressjs/express/blob/master/History.md">express's changelog</a>.</em></p> <blockquote> <h1>4.17.3 / 2022-02-16</h1> <ul> <li>deps: accepts@~1.3.8 <ul> <li>deps: mime-types@~2.1.34</li> <li>deps: [email protected]</li> </ul> </li> <li>deps: [email protected] <ul> <li>deps: [email protected]</li> <li>deps: [email protected]</li> <li>deps: [email protected]</li> </ul> </li> <li>deps: [email protected]</li> <li>deps: [email protected] <ul> <li>Fix handling of <code>__proto__</code> keys</li> </ul> </li> <li>pref: remove unnecessary regexp for trust proxy</li> </ul> <h1>4.17.2 / 2021-12-16</h1> <ul> <li>Fix handling of <code>undefined</code> in <code>res.jsonp</code></li> <li>Fix handling of <code>undefined</code> when <code>&quot;json escape&quot;</code> is enabled</li> <li>Fix incorrect middleware execution with unanchored <code>RegExp</code>s</li> <li>Fix <code>res.jsonp(obj, status)</code> deprecation message</li> <li>Fix typo in <code>res.is</code> JSDoc</li> <li>deps: [email protected] <ul> <li>deps: [email protected]</li> <li>deps: [email protected]</li> <li>deps: [email protected]</li> <li>deps: [email protected]</li> <li>deps: [email protected]</li> <li>deps: type-is@~1.6.18</li> </ul> </li> <li>deps: [email protected] <ul> <li>deps: [email protected]</li> </ul> </li> <li>deps: [email protected] <ul> <li>Fix <code>maxAge</code> option to reject invalid values</li> </ul> </li> <li>deps: proxy-addr@~2.0.7 <ul> <li>Use <code>req.socket</code> over deprecated <code>req.connection</code></li> <li>deps: [email protected]</li> <li>deps: [email protected]</li> </ul> </li> <li>deps: [email protected]</li> <li>deps: [email protected]</li> <li>deps: [email protected] <ul> <li>deps: [email protected]</li> <li>deps: [email protected]</li> <li>pref: ignore empty http tokens</li> </ul> </li> <li>deps: [email protected] <ul> <li>deps: [email protected]</li> </ul> </li> <li>deps: [email protected]</li> </ul> </blockquote> </details> <details> <summary>Commits</summary> <ul> <li><a href="https://github.com/expressjs/express/commit/3d7fce56a35f4f73fa437866cd1401587a212334"><code>3d7fce5</code></a> 4.17.3</li> <li><a href="https://github.com/expressjs/express/commit/f9063712e01979588818b0756851053b5ee43d09"><code>f906371</code></a> build: update example dependencies</li> <li><a href="https://github.com/expressjs/express/commit/6381bc6317ec8ffbf830e2d16677e4b5af37cc08"><code>6381bc6</code></a> deps: [email protected]</li> <li><a href="https://github.com/expressjs/express/commit/a00786309641731661edb4d826a6919330887ca7"><code>a007863</code></a> deps: [email protected]</li> <li><a href="https://github.com/expressjs/express/commit/e98f5848a0a496c0977a2d1734067b77f69de360"><code>e98f584</code></a> Revert &quot;build: use [email protected] for Node.js &lt; 4&quot;</li> <li><a href="https://github.com/expressjs/express/commit/a65913776d0b16837364ee66caa1a7f38a9997c0"><code>a659137</code></a> tests: use strict mode</li> <li><a href="https://github.com/expressjs/express/commit/a39e409cf3739ef9c9b597a9680813a34c3931c2"><code>a39e409</code></a> tests: prevent leaking changes to NODE_ENV</li> <li><a href="https://github.com/expressjs/express/commit/82de4de5ab92e8237d713285104e4b8452927352"><code>82de4de</code></a> examples: fix path traversal in downloads example</li> <li><a href="https://github.com/expressjs/express/commit/12310c52947ee159f7ecd63d125243cdca891135"><code>12310c5</code></a> build: use nyc for test coverage</li> <li><a href="https://github.com/expressjs/express/commit/884657d54665f323c236055d6e3d3e85d96e5f08"><code>884657d</code></a> examples: remove bitwise syntax for includes check</li> <li>Additional commits viewable in <a href="https://github.com/expressjs/express/compare/4.17.1...4.17.3">compare view</a></li> </ul> </details> <br /> [](https://docs.github.com/en/github/managing-security-vulnerabilities/about-dependabot-security-updates#about-compatibility-scores) Dependabot will resolve any conflicts with this PR as long as you don't alter it yourself. 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