Bump esbuild-loader from 4.0.3 to 4.1.0 in /src/vscode-bicep (#13561)

Bumps [esbuild-loader](https://github.com/privatenumber/esbuild-loader)
from 4.0.3 to 4.1.0.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/privatenumber/esbuild-loader/releases">esbuild-loader's
releases</a>.</em></p>
<blockquote>
<h2>v4.1.0</h2>
<h1><a
href="https://github.com/privatenumber/esbuild-loader/compare/v4.0.3...v4.1.0">4.1.0</a>
(2024-03-08)</h1>
<h3>Features</h3>
<ul>
<li>enable <code>dynamic-imports</code> by default (<a
href="https://redirect.github.com/privatenumber/esbuild-loader/issues/361">#361</a>)
(<a
href="https://github.com/privatenumber/esbuild-loader/commit/7b948efbf191ce0b35b92b934b528545dfaefe18">7b948ef</a>)</li>
<li>upgrade esbuild to 0.20 (<a
href="https://redirect.github.com/privatenumber/esbuild-loader/issues/362">#362</a>)
(<a
href="https://github.com/privatenumber/esbuild-loader/commit/58d557368d8f2e7e54389b855fde8a4e7813473a">58d5573</a>)</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/privatenumber/esbuild-loader/commit/7b948efbf191ce0b35b92b934b528545dfaefe18"><code>7b948ef</code></a>
feat: enable <code>dynamic-imports</code> by default (<a
href="https://redirect.github.com/privatenumber/esbuild-loader/issues/361">#361</a>)</li>
<li><a
href="https://github.com/privatenumber/esbuild-loader/commit/58d557368d8f2e7e54389b855fde8a4e7813473a"><code>58d5573</code></a>
feat: upgrade esbuild to 0.20 (<a
href="https://redirect.github.com/privatenumber/esbuild-loader/issues/362">#362</a>)</li>
<li><a
href="https://github.com/privatenumber/esbuild-loader/commit/e89a7aeb2ffbcbd6ce9232ae77e81197253bed66"><code>e89a7ae</code></a>
chore: upgrade eslint (<a
href="https://redirect.github.com/privatenumber/esbuild-loader/issues/359">#359</a>)</li>
<li>See full diff in <a
href="https://github.com/privatenumber/esbuild-loader/compare/v4.0.3...v4.1.0">compare
view</a></li>
</ul>
</details>
<br />


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</details>
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