chore: bump nltk from 3.9.2 to 3.9.3 in /libs/text-splitters (#35449)

Bumps [nltk](https://github.com/nltk/nltk) from 3.9.2 to 3.9.3.
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a
href="https://github.com/nltk/nltk/blob/develop/ChangeLog">nltk's
changelog</a>.</em></p>
<blockquote>
<p>Version 3.9.3 2026-02-21</p>
<ul>
<li>Fix CVE-2025-14009: secure ZIP extraction in nltk.downloader (<a
href="https://redirect.github.com/nltk/nltk/issues/3468">#3468</a>)</li>
<li>Block path traversal/arbitrary reads in nltk.data for protocol-less
refs (<a
href="https://redirect.github.com/nltk/nltk/issues/3467">#3467</a>)</li>
<li>Block path traversal/abs paths in corpus readers and FS pointers (<a
href="https://redirect.github.com/nltk/nltk/issues/3479">#3479</a>, <a
href="https://redirect.github.com/nltk/nltk/issues/3480">#3480</a>)</li>
<li>Validate external StanfordSegmenter JARs using SHA256 (<a
href="https://redirect.github.com/nltk/nltk/issues/3477">#3477</a>)</li>
<li>Add optional sandbox enforcement for filestring() (<a
href="https://redirect.github.com/nltk/nltk/issues/3485">#3485</a>)</li>
<li>Maintenance: downloader/zipped models, CI/tooling updates</li>
</ul>
<p>Thanks to the following contributors to 3.9.3:
Chris Clauss, Eric Kafe, HyperPS, purificant, Shivansh-Game, Christopher
Smith</p>
<p>Version 3.9.2 2025-10-01</p>
<ul>
<li>Update download checksums to use SHA256 in built index</li>
<li>Fix percentage escape in new-style string formatting</li>
<li>replace shortened URLs using goo.gl</li>
<li>Make Wordnet interoperable with various taggers and tagged
corpora</li>
<li>Fix saving PerceptronTagger</li>
<li>Document how to reproduce old Wordnet studies</li>
<li>properly initialize Portuguese corpus reader</li>
<li>support for mixed rules conversion into Chomsky Normal Form</li>
<li>only import tkinter if a GUI is needed</li>
<li>issue <a
href="https://redirect.github.com/nltk/nltk/issues/2112">#2112</a> with
Corenlp</li>
<li>new environment variable
NLTK_DOWNLOADER_FORCE_INTERACTIVE_SHELL</li>
<li>Lesk defaults to most frequent sense in case of ties</li>
</ul>
<p>Thanks to the following contributors to 3.9.2:
Jose Cols, Peter de Blanc, GeneralPoxter, Eric Kafe, William LaCroix,
Jason Liu,
Samer Masterson, Mike014, purificant, Andrew Ernest Ritz, samertm, Ikram
Ul Haq,
Christopher Smith, Ryan Mannion</p>
<p>Version 3.9.1 2024-08-19</p>
<ul>
<li>Fixed bug that prevented wordnet from loading</li>
</ul>
<p>Version 3.9 2024-08-18</p>
<ul>
<li>Fix security vulnerability CVE-2024-39705 (breaking change)</li>
<li>Replace pickled models (punkt, chunker, taggers) by new pickle-free
&quot;_tab&quot; packages</li>
<li>No longer sort Wordnet synsets and relations (sort in calling
function when required)</li>
<li>Only strip the last suffix in Wordnet Morphy, thus restricting
synsets() results</li>
<li>Add Python 3.12 support</li>
<li>Many other minor fixes</li>
</ul>
<p>Thanks to the following contributors to 3.8.2:
Tom Aarsen, Cat Lee Ball, Veralara Bernhard, Carlos Brandt, Konstantin
Chernyshev, Michael Higgins,
Eric Kafe, Vivek Kalyan, David Lukes, Rob Malouf, purificant, Alex
Rudnick, Liling Tan, Akihiro Yamazaki.</p>
<p>Version 3.8.1 2023-01-02</p>
<ul>
<li>Resolve RCE vulnerability in localhost WordNet Browser (<a
href="https://redirect.github.com/nltk/nltk/issues/3100">#3100</a>)</li>
</ul>
<!-- raw HTML omitted -->
</blockquote>
<p>... (truncated)</p>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="4154eb85e8"><code>4154eb8</code></a>
Merge pull request <a
href="https://redirect.github.com/nltk/nltk/issues/3503">#3503</a> from
ekaf/hotfix-3501</li>
<li><a
href="7a710cbc8b"><code>7a710cb</code></a>
Prepare release 3.9.3</li>
<li><a
href="1056b323af"><code>1056b32</code></a>
Merge pull request <a
href="https://redirect.github.com/nltk/nltk/issues/3468">#3468</a> from
HyperPS/fix/secure-unzip-rce</li>
<li><a
href="7dc5baa98f"><code>7dc5baa</code></a>
Resolve merge conflict in tag mapping using normalized nltk resource
URL</li>
<li><a
href="7ef38b8aa6"><code>7ef38b8</code></a>
Merge pull request <a
href="https://redirect.github.com/nltk/nltk/issues/3467">#3467</a> from
HyperPS/develop</li>
<li><a
href="b2e1164bf8"><code>b2e1164</code></a>
Merge pull request <a
href="https://redirect.github.com/nltk/nltk/issues/3485">#3485</a> from
HyperPS/fix-filestring-sandbox-update</li>
<li><a
href="ac0ce55daa"><code>ac0ce55</code></a>
Merge pull request <a
href="https://redirect.github.com/nltk/nltk/issues/3480">#3480</a> from
HyperPS/fix/filesystem-sandbox-security</li>
<li><a
href="603e34d25a"><code>603e34d</code></a>
Merge pull request <a
href="https://redirect.github.com/nltk/nltk/issues/3479">#3479</a> from
HyperPS/fix/corpusreader-path-traversal</li>
<li><a
href="b63a5014aa"><code>b63a501</code></a>
Merge pull request <a
href="https://redirect.github.com/nltk/nltk/issues/3477">#3477</a> from
HyperPS/fix/stanford-segmenter-rce-sha256</li>
<li><a
href="df38955e50"><code>df38955</code></a>
Merge pull request <a
href="https://redirect.github.com/nltk/nltk/issues/3494">#3494</a> from
ekaf/ewnv</li>
<li>Additional commits viewable in <a
href="https://github.com/nltk/nltk/compare/3.9.2...3.9.3">compare
view</a></li>
</ul>
</details>
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libs/text-splitters/uv.lock

@@ -1175,7 +1175,7 @@ wheels = [
 
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@@ -1759,7 +1759,7 @@ wheels = [
 
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+version = "3.9.3"
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@@ -1767,9 +1767,9 @@ dependencies = [
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 [[package]]