Bump moment from 2.29.3 to 2.29.4 in /demo (#14)

Bumps [moment](https://github.com/moment/moment) from 2.29.3 to 2.29.4.
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a
href="https://github.com/moment/moment/blob/develop/CHANGELOG.md">moment's
changelog</a>.</em></p>
<blockquote>
<h3>2.29.4</h3>
<ul>
<li>Release Jul 6, 2022
<ul>
<li><a
href="https://github-redirect.dependabot.com/moment/moment/pull/6015">#6015</a>
[bugfix] Fix ReDoS in preprocessRFC2822 regex</li>
</ul>
</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/moment/moment/commit/000ac1800e620f770f4eb31b5ae908f6167b0ab2"><code>000ac18</code></a>
Build 2.24.4</li>
<li><a
href="https://github.com/moment/moment/commit/f2006b647939466f4f403721b8c7816d844c038c"><code>f2006b6</code></a>
Bump version to 2.24.4</li>
<li><a
href="https://github.com/moment/moment/commit/536ad0c348f2f99009755698f491080757a48221"><code>536ad0c</code></a>
Update changelog for 2.29.4</li>
<li><a
href="https://github.com/moment/moment/commit/9a3b5894f3d5d602948ac8a02e4ee528a49ca3a3"><code>9a3b589</code></a>
[bugfix] Fix redos in preprocessRFC2822 regex (<a
href="https://github-redirect.dependabot.com/moment/moment/issues/6015">#6015</a>)</li>
<li><a
href="https://github.com/moment/moment/commit/6374fd860aeff75e6c9d9d11540c6b22bc7ef175"><code>6374fd8</code></a>
Merge branch 'master' into develop</li>
<li><a
href="https://github.com/moment/moment/commit/b4e615307ee350b58ac9899e3587ce43972b0753"><code>b4e6153</code></a>
Revert &quot;[bugfix] Fix redos in preprocessRFC2822 regex (<a
href="https://github-redirect.dependabot.com/moment/moment/issues/6015">#6015</a>)&quot;</li>
<li><a
href="https://github.com/moment/moment/commit/7aebb1617fc9bced87ab6bc4c317644019b23ce7"><code>7aebb16</code></a>
[bugfix] Fix redos in preprocessRFC2822 regex (<a
href="https://github-redirect.dependabot.com/moment/moment/issues/6015">#6015</a>)</li>
<li>See full diff in <a
href="https://github.com/moment/moment/compare/2.29.3...2.29.4">compare
view</a></li>
</ul>
</details>
<br />


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demo/package.json

@@ -11,7 +11,7 @@
     "local-web-server": "5.2.1"
   },
   "dependencies": {
-    "moment": "2.29.3",
+    "moment": "2.29.4",
     "moment-timezone": "0.5.34",
     "uhtml": "3.0.1"
   }