chore: bump jupyterlab from 4.5.7 to 4.5.9 in /libs/text-splitters (#38296)

Bumps [jupyterlab](https://github.com/jupyterlab/jupyterlab) from 4.5.7
to 4.5.9.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/jupyterlab/jupyterlab/releases">jupyterlab's
releases</a>.</em></p>
<blockquote>
<h2>v4.5.9</h2>
<h2>4.5.9</h2>
<p>(<a
href="https://github.com/jupyterlab/jupyterlab/compare/v4.5.8...26936727d7f197bab4f314ca50690cd162d50312">Full
Changelog</a>)</p>
<h3>Bugs fixed</h3>
<ul>
<li>Fix <code>jupyter labextension build</code> crash on <code>webpack ≥
5.107</code> <a
href="https://redirect.github.com/jupyterlab/jupyterlab/pull/19021">#19021</a>
(<a href="https://github.com/Darshan808"><code>@​Darshan808</code></a>,
<a
href="https://github.com/krassowski"><code>@​krassowski</code></a>)</li>
<li>Backport PR <a
href="https://redirect.github.com/jupyterlab/jupyterlab/issues/18992">#18992</a>:
Fix hidden cells after moving collapsed headings <a
href="https://redirect.github.com/jupyterlab/jupyterlab/pull/19016">#19016</a>
(<a href="https://github.com/MUFFANUJ"><code>@​MUFFANUJ</code></a>, <a
href="https://github.com/krassowski"><code>@​krassowski</code></a>)</li>
<li>Forbid relative URLs in extensionmanager <a
href="https://redirect.github.com/jupyterlab/jupyterlab/pull/19013">#19013</a>
(<a href="https://github.com/Yann-P"><code>@​Yann-P</code></a>)</li>
<li>Fix XSS in extension manager's <code>homepage_url</code> <a
href="https://redirect.github.com/jupyterlab/jupyterlab/pull/19003">#19003</a>
(<a href="https://github.com/Yann-P"><code>@​Yann-P</code></a>)</li>
<li>Fix toolbar popup row clipping in Safari <a
href="https://redirect.github.com/jupyterlab/jupyterlab/pull/18998">#18998</a>
(<a href="https://github.com/arun-357"><code>@​arun-357</code></a>)</li>
</ul>
<h3>Contributors to this release</h3>
<p>The following people contributed discussions, new ideas, code and
documentation contributions, and review.
See <a
href="https://github-activity.readthedocs.io/en/latest/use/#how-does-this-tool-define-contributions-in-the-reports">our
definition of contributors</a>.</p>
<p>(<a
href="https://github.com/jupyterlab/jupyterlab/graphs/contributors?from=2026-06-04&amp;to=2026-06-17&amp;type=c">GitHub
contributors page for this release</a>)</p>
<p><a href="https://github.com/arun-357"><code>@​arun-357</code></a> (<a
href="https://github.com/search?q=repo%3Ajupyterlab%2Fjupyterlab+involves%3Aarun-357+updated%3A2026-06-04..2026-06-17&amp;type=Issues">activity</a>)
| <a href="https://github.com/Darshan808"><code>@​Darshan808</code></a>
(<a
href="https://github.com/search?q=repo%3Ajupyterlab%2Fjupyterlab+involves%3ADarshan808+updated%3A2026-06-04..2026-06-17&amp;type=Issues">activity</a>)
| <a href="https://github.com/krassowski"><code>@​krassowski</code></a>
(<a
href="https://github.com/search?q=repo%3Ajupyterlab%2Fjupyterlab+involves%3Akrassowski+updated%3A2026-06-04..2026-06-17&amp;type=Issues">activity</a>)
| <a href="https://github.com/MUFFANUJ"><code>@​MUFFANUJ</code></a> (<a
href="https://github.com/search?q=repo%3Ajupyterlab%2Fjupyterlab+involves%3AMUFFANUJ+updated%3A2026-06-04..2026-06-17&amp;type=Issues">activity</a>)
| <a href="https://github.com/Yann-P"><code>@​Yann-P</code></a> (<a
href="https://github.com/search?q=repo%3Ajupyterlab%2Fjupyterlab+involves%3AYann-P+updated%3A2026-06-04..2026-06-17&amp;type=Issues">activity</a>)</p>
<h2>v4.5.8</h2>
<h2>4.5.8</h2>
<p>(<a
href="https://github.com/jupyterlab/jupyterlab/compare/v4.5.7...8d30d481fbab784096e04d85dfa3b0c36e77be2c">Full
Changelog</a>)</p>
<h3>Bugs fixed</h3>
<ul>
<li>Prevent dialog from hanging when <code>getValue()</code> throws <a
href="https://redirect.github.com/jupyterlab/jupyterlab/pull/18938">#18938</a>
(<a
href="https://github.com/AliMahmoudDev"><code>@​AliMahmoudDev</code></a>)</li>
<li>Add <code>packaging</code> min version pin <a
href="https://redirect.github.com/jupyterlab/jupyterlab/pull/18910">#18910</a>
(<a
href="https://github.com/krassowski"><code>@​krassowski</code></a>)</li>
<li>Use CSS <code>anchor</code> for prompt overlay <a
href="https://redirect.github.com/jupyterlab/jupyterlab/pull/18840">#18840</a>
(<a
href="https://github.com/CrafterKolyan"><code>@​CrafterKolyan</code></a>)</li>
</ul>
<h3>Maintenance and upkeep improvements</h3>
<ul>
<li>Fix completer test failures on CI <a
href="https://redirect.github.com/jupyterlab/jupyterlab/pull/18946">#18946</a>
(<a
href="https://github.com/krassowski"><code>@​krassowski</code></a>)</li>
<li>Bump license webpack plugin <a
href="https://redirect.github.com/jupyterlab/jupyterlab/pull/18929">#18929</a>
(<a href="https://github.com/Darshan808"><code>@​Darshan808</code></a>,
<a
href="https://github.com/krassowski"><code>@​krassowski</code></a>)</li>
</ul>
<h3>Contributors to this release</h3>
<p>The following people contributed discussions, new ideas, code and
documentation contributions, and review.
See <a
href="https://github-activity.readthedocs.io/en/latest/use/#how-does-this-tool-define-contributions-in-the-reports">our
definition of contributors</a>.</p>
<p>(<a
href="https://github.com/jupyterlab/jupyterlab/graphs/contributors?from=2026-04-29&amp;to=2026-06-04&amp;type=c">GitHub
contributors page for this release</a>)</p>
<p><a
href="https://github.com/AliMahmoudDev"><code>@​AliMahmoudDev</code></a>
(<a
href="https://github.com/search?q=repo%3Ajupyterlab%2Fjupyterlab+involves%3AAliMahmoudDev+updated%3A2026-04-29..2026-06-04&amp;type=Issues">activity</a>)
| <a
href="https://github.com/CrafterKolyan"><code>@​CrafterKolyan</code></a>
(<a
href="https://github.com/search?q=repo%3Ajupyterlab%2Fjupyterlab+involves%3ACrafterKolyan+updated%3A2026-04-29..2026-06-04&amp;type=Issues">activity</a>)
| <a href="https://github.com/Darshan808"><code>@​Darshan808</code></a>
(<a
href="https://github.com/search?q=repo%3Ajupyterlab%2Fjupyterlab+involves%3ADarshan808+updated%3A2026-04-29..2026-06-04&amp;type=Issues">activity</a>)
| <a href="https://github.com/krassowski"><code>@​krassowski</code></a>
(<a
href="https://github.com/search?q=repo%3Ajupyterlab%2Fjupyterlab+involves%3Akrassowski+updated%3A2026-04-29..2026-06-04&amp;type=Issues">activity</a>)</p>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="dd65403362"><code>dd65403</code></a>
[ci skip] Publish 4.5.9</li>
<li><a
href="26936727d7"><code>2693672</code></a>
Backport PR <a
href="https://redirect.github.com/jupyterlab/jupyterlab/issues/18992">#18992</a>:
Fix hidden cells after moving collapsed headings (<a
href="https://redirect.github.com/jupyterlab/jupyterlab/issues/19016">#19016</a>)</li>
<li><a
href="360c1760b5"><code>360c176</code></a>
Backport PR <a
href="https://redirect.github.com/jupyterlab/jupyterlab/issues/18998">#18998</a>
on branch 4.5.x (Fix toolbar popup row clipping in Safari)...</li>
<li><a
href="e9db01011d"><code>e9db010</code></a>
Fix <code>jupyter labextension build</code> crash on <code>webpack ≥
5.107</code> (<a
href="https://redirect.github.com/jupyterlab/jupyterlab/issues/19021">#19021</a>)</li>
<li><a
href="3b8428c04e"><code>3b8428c</code></a>
Backport PR <a
href="https://redirect.github.com/jupyterlab/jupyterlab/issues/19013">#19013</a>
on branch 4.5.x (Forbid relative URLs in extensionmanager)...</li>
<li><a
href="3c84a84cf4"><code>3c84a84</code></a>
Backport PR <a
href="https://redirect.github.com/jupyterlab/jupyterlab/issues/19003">#19003</a>
on branch 4.5.x (Fix XSS in extension manager's `homepage_...</li>
<li><a
href="0dee9961fa"><code>0dee996</code></a>
[ci skip] Publish 4.5.8</li>
<li><a
href="8d30d481fb"><code>8d30d48</code></a>
Backport PR <a
href="https://redirect.github.com/jupyterlab/jupyterlab/issues/18946">#18946</a>
on branch 4.5.x (Fix completer test failures on CI) (<a
href="https://redirect.github.com/jupyterlab/jupyterlab/issues/18949">#18949</a>)</li>
<li><a
href="872d4c8449"><code>872d4c8</code></a>
Backport PR <a
href="https://redirect.github.com/jupyterlab/jupyterlab/issues/18938">#18938</a>
on branch 4.5.x (Prevent dialog from hanging when `getValu...</li>
<li><a
href="d8a387498b"><code>d8a3874</code></a>
Bump license webpack plugin (<a
href="https://redirect.github.com/jupyterlab/jupyterlab/issues/18929">#18929</a>)</li>
<li>Additional commits viewable in <a
href="https://github.com/jupyterlab/jupyterlab/compare/@jupyterlab/lsp@4.5.7...@jupyterlab/lsp@4.5.9">compare
view</a></li>
</ul>
</details>
<br />


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libs/text-splitters/uv.lock

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