fix(deps): Bump env-var from 7.3.1 to 7.4.1 (#238)

Bumps [env-var](https://github.com/evanshortiss/env-var) from 7.3.1 to 7.4.1.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a href="https://github.com/evanshortiss/env-var/releases">env-var's releases</a>.</em></p>
<blockquote>
<h2>7.4.1</h2>
<p>Fix 7.4.0 issues with <code>create-react-app</code> polyfill (<a href="https://redirect.github.com/evanshortiss/env-var/issues/168">#168</a>)</p>
<h2>7.4.0</h2>
<ul>
<li>Do not use <code>process.env</code> by default in non-Node.js environments (<a href="https://redirect.github.com/evanshortiss/env-var/issues/155">#155</a>)</li>
</ul>
</blockquote>
</details>
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a href="https://github.com/evanshortiss/env-var/blob/master/CHANGELOG.md">env-var's changelog</a>.</em></p>
<blockquote>
<h2>7.4.1 (29/08/2023)</h2>
<ul>
<li>Fix 7.4.0 issues with <code>create-react-app</code> polyfill (<a href="https://redirect.github.com/evanshortiss/env-var/issues/168">#168</a>)</li>
</ul>
<h2>7.4.0 (21/08/2023)</h2>
<ul>
<li>Do not use <code>process.env</code> by default in non-Node.js environments (<a href="https://redirect.github.com/evanshortiss/env-var/issues/155">#155</a>)</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a href="https://github.com/evanshortiss/env-var/commit/4aa0d9e38b5bcb5572adf071b2784bbc93d28524"><code>4aa0d9e</code></a> fix: restore compatibility with older create-react-app versions (<a href="https://redirect.github.com/evanshortiss/env-var/issues/169">#169</a>)</li>
<li><a href="https://github.com/evanshortiss/env-var/commit/8b6f625da3f410bdb5ecb383b96670c554e2bdc6"><code>8b6f625</code></a> docs: syntax error in README</li>
<li><a href="https://github.com/evanshortiss/env-var/commit/08c3636d04b43e3c646b4e2afbb73b6110015b23"><code>08c3636</code></a> chore: address coverage issue</li>
<li><a href="https://github.com/evanshortiss/env-var/commit/2a07676860e297d236ca8d9653228e950f3b719f"><code>2a07676</code></a> fix: do not fail in browser and non node environments</li>
<li>See full diff in <a href="https://github.com/evanshortiss/env-var/compare/7.3.1...7.4.1">compare view</a></li>
</ul>
</details>
<br />


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</details>

package.json

@@ -44,7 +44,7 @@
     "@relaycorp/relaynet-core": ">=1.81.6, < 2.0",
     "@typegoose/typegoose": "< 12.0",
     "axios": "^1.5.0",
-    "env-var": "^7.3.1",
+    "env-var": "^7.4.1",
     "fast-crc32c": "^2.0.0",
     "mongoose": "< 8.0",
     "webcrypto-core": "< 2.0"