build(deps-dev): bump tsx from 4.19.4 to 4.20.3 (#358)

Bumps [tsx](https://github.com/privatenumber/tsx) from 4.19.4 to 4.20.3.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/privatenumber/tsx/releases">tsx's
releases</a>.</em></p>
<blockquote>
<h2>v4.20.3</h2>
<h2><a
href="https://github.com/privatenumber/tsx/compare/v4.20.2...v4.20.3">4.20.3</a>
(2025-06-13)</h2>
<h3>Bug Fixes</h3>
<ul>
<li>revert v4.20 changes (<a
href="https://github.com/privatenumber/tsx/commit/dadcf27b2e1721bd98e4e02d926180f060a5f48a">dadcf27</a>)</li>
</ul>
<hr />
<p>This release is also available on:</p>
<ul>
<li><a href="https://www.npmjs.com/package/tsx/v/4.20.3"><code>npm
package (@​latest dist-tag)</code></a></li>
</ul>
<h2>v4.20.2</h2>
<h2><a
href="https://github.com/privatenumber/tsx/compare/v4.20.1...v4.20.2">4.20.2</a>
(2025-06-12)</h2>
<h3>Bug Fixes</h3>
<ul>
<li>support ambiguous package (<a
href="https://redirect.github.com/privatenumber/tsx/issues/79">#79</a>)
(<a
href="https://github.com/privatenumber/tsx/commit/c1882680bce9df3052bef23dbed1b95728e802bb">c188268</a>)</li>
</ul>
<hr />
<p>This release is also available on:</p>
<ul>
<li><a href="https://www.npmjs.com/package/tsx/v/4.20.2"><code>npm
package (@​latest dist-tag)</code></a></li>
</ul>
<h2>v4.20.1</h2>
<h2><a
href="https://github.com/privatenumber/tsx/compare/v4.20.0...v4.20.1">4.20.1</a>
(2025-06-11)</h2>
<h3>Bug Fixes</h3>
<ul>
<li><strong>json:</strong> handle keys with special characters (<a
href="https://github.com/privatenumber/tsx/commit/9bd25469c26db2b93e1e8500fb28d04352e1ef70">9bd2546</a>)</li>
</ul>
<hr />
<p>This release is also available on:</p>
<ul>
<li><a href="https://www.npmjs.com/package/tsx/v/4.20.1"><code>npm
package (@​latest dist-tag)</code></a></li>
</ul>
<h2>v4.20.0</h2>
<h1><a
href="https://github.com/privatenumber/tsx/compare/v4.19.4...v4.20.0">4.20.0</a>
(2025-06-11)</h1>
<h3>Bug Fixes</h3>
<!-- raw HTML omitted -->
</blockquote>
<p>... (truncated)</p>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/privatenumber/tsx/commit/dadcf27b2e1721bd98e4e02d926180f060a5f48a"><code>dadcf27</code></a>
fix: revert v4.20 changes</li>
<li><a
href="https://github.com/privatenumber/tsx/commit/2d1aaee7b868820e051a097ec8b94399f0726e5b"><code>2d1aaee</code></a>
chore: upgrade manten</li>
<li><a
href="https://github.com/privatenumber/tsx/commit/c1882680bce9df3052bef23dbed1b95728e802bb"><code>c188268</code></a>
fix: support ambiguous package (<a
href="https://redirect.github.com/privatenumber/tsx/issues/79">#79</a>)</li>
<li><a
href="https://github.com/privatenumber/tsx/commit/602f1b1c6d2d1cfd79757cc5ba0e4237e017bb08"><code>602f1b1</code></a>
chore: debug to accept levels (<a
href="https://redirect.github.com/privatenumber/tsx/issues/77">#77</a>)</li>
<li><a
href="https://github.com/privatenumber/tsx/commit/5172c477e1a98ab2d2fdd63ac09292f6710860e9"><code>5172c47</code></a>
test: log node-pty failure stdout</li>
<li><a
href="https://github.com/privatenumber/tsx/commit/1e8f17b2b68e10cfc388de1a6f33e0ee1977d4bb"><code>1e8f17b</code></a>
refactor: node-pty test code</li>
<li><a
href="https://github.com/privatenumber/tsx/commit/9bd25469c26db2b93e1e8500fb28d04352e1ef70"><code>9bd2546</code></a>
fix(json): handle keys with special characters</li>
<li><a
href="https://github.com/privatenumber/tsx/commit/e97fe6738767aba0bca18514cc81c73ce1e3cc2c"><code>e97fe67</code></a>
test: failed pty tests logs</li>
<li><a
href="https://github.com/privatenumber/tsx/commit/532c50ade7ab8a36b27e742e3bba9b2b12c12929"><code>532c50a</code></a>
tests: fix Windows tests</li>
<li><a
href="https://github.com/privatenumber/tsx/commit/ec316d3efa2ae4ffbc367c9cdd84df869bf5f96f"><code>ec316d3</code></a>
feat: support latest Node versions</li>
<li>Additional commits viewable in <a
href="https://github.com/privatenumber/tsx/compare/v4.19.4...v4.20.3">compare
view</a></li>
</ul>
</details>
<br />


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package-lock.json

@@ -186,7 +186,7 @@
     "supports-color": "^10.0.0",
     "tar": "^7.4.3",
     "ts-node": "^10.9.2",
-    "tsx": "^4.19.4",
+    "tsx": "^4.20.3",
     "typescript": "^5.8.3",
     "typescript-eslint": "^8.36.0",
     "which": "^5.0.0"