chore(deps): bump regex from 1.12.2 to 1.12.3 in /codex-rs (#11138)

Bumps [regex](https://github.com/rust-lang/regex) from 1.12.2 to 1.12.3.
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a
href="https://github.com/rust-lang/regex/blob/master/CHANGELOG.md">regex's
changelog</a>.</em></p>
<blockquote>
<h1>1.12.3 (2025-02-03)</h1>
<p>This release excludes some unnecessary things from the archive
published to
crates.io. Specifically, fuzzing data and various shell scripts are now
excluded. If you run into problems, please file an issue.</p>
<p>Improvements:</p>
<ul>
<li><a
href="https://redirect.github.com/rust-lang/regex/pull/1319">#1319</a>:
Switch from a Cargo <code>exclude</code> list to an <code>include</code>
list, and exclude some
unnecessary stuff.</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="b028e4f40e"><code>b028e4f</code></a>
1.12.3</li>
<li><a
href="5e195de266"><code>5e195de</code></a>
regex-automata-0.4.14</li>
<li><a
href="a3433f6918"><code>a3433f6</code></a>
regex-syntax-0.8.9</li>
<li><a
href="0c07fae444"><code>0c07fae</code></a>
regex-lite-0.1.9</li>
<li><a
href="6a810068f0"><code>6a81006</code></a>
cargo: exclude development scripts and fuzzing data</li>
<li><a
href="4733e28ba4"><code>4733e28</code></a>
automata: fix <code>onepass::DFA::try_search_slots</code> panic when too
many slots are ...</li>
<li>See full diff in <a
href="https://github.com/rust-lang/regex/compare/1.12.2...1.12.3">compare
view</a></li>
</ul>
</details>
<br />


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codex-rs/Cargo.lock

@@ -7125,9 +7125,9 @@ dependencies = [
 
 [[package]]
 name = "regex"
-version = "1.12.2"
+version = "1.12.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "843bc0191f75f3e22651ae5f1e72939ab2f72a4bc30fa80a066bd66edefc24d4"
+checksum = "e10754a14b9137dd7b1e3e5b0493cc9171fdd105e0ab477f51b72e7f3ac0e276"
 dependencies = [
  "aho-corasick",
  "memchr",

codex-rs/Cargo.toml

@@ -193,7 +193,7 @@ pulldown-cmark = "0.10"
 rand = "0.9"
 ratatui = "0.29.0"
 ratatui-macros = "0.6.0"
-regex = "1.12.2"
+regex = "1.12.3"
 regex-lite = "0.1.8"
 reqwest = "0.12"
 rmcp = { version = "0.14.0", default-features = false }