chore(deps): bump rust-toolchain from 1.93.0 to 1.93.1 in /codex-rs (#11886)

Bumps [rust-toolchain](https://github.com/rust-lang/rust) from 1.93.0 to
1.93.1.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/rust-lang/rust/releases">rust-toolchain's
releases</a>.</em></p>
<blockquote>
<h2>Rust 1.93.1</h2>
<p><!-- raw HTML omitted --><!-- raw HTML omitted --></p>
<ul>
<li><a
href="https://redirect.github.com/rust-lang/rust/pull/150590">Don't try
to recover keyword as non-keyword identifier</a>, fixing an ICE that
especially <a
href="https://redirect.github.com/rust-lang/rustfmt/issues/6739">affected
rustfmt</a>.</li>
<li><a
href="https://redirect.github.com/rust-lang/rust-clippy/pull/16196">Fix
<code>clippy::panicking_unwrap</code> false-positive on field access
with implicit deref</a>.</li>
<li><a
href="https://redirect.github.com/rust-lang/rust/pull/152259">Revert
&quot;Update wasm-related dependencies in CI&quot;</a>, fixing file
descriptor leaks on the <code>wasm32-wasip2</code> target.</li>
</ul>
</blockquote>
</details>
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a
href="https://github.com/rust-lang/rust/blob/main/RELEASES.md">rust-toolchain's
changelog</a>.</em></p>
<blockquote>
<h1>Version 1.93.1 (2026-02-12)</h1>
<p><!-- raw HTML omitted --><!-- raw HTML omitted --></p>
<ul>
<li><a
href="https://redirect.github.com/rust-lang/rust/pull/150590">Don't try
to recover keyword as non-keyword identifier</a>, fixing an ICE that
especially <a
href="https://redirect.github.com/rust-lang/rustfmt/issues/6739">affected
rustfmt</a>.</li>
<li><a
href="https://redirect.github.com/rust-lang/rust-clippy/pull/16196">Fix
<code>clippy::panicking_unwrap</code> false-positive on field access
with implicit deref</a>.</li>
<li><a
href="https://redirect.github.com/rust-lang/rust/pull/152259">Revert
&quot;Update wasm-related dependencies in CI&quot;</a>, fixing file
descriptor leaks on the <code>wasm32-wasip2</code> target.</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="01f6ddf758"><code>01f6ddf</code></a>
Auto merge of <a
href="https://redirect.github.com/rust-lang/rust/issues/152450">#152450</a>
- cuviper:stable-next, r=cuviper</li>
<li><a
href="674ccdd847"><code>674ccdd</code></a>
Release 1.93.1</li>
<li><a
href="f0867bf650"><code>f0867bf</code></a>
Sync release note changes from main</li>
<li><a
href="b8cc170b70"><code>b8cc170</code></a>
Remove the 4 failing tests from rustdoc-gui</li>
<li><a
href="128b1c9f64"><code>128b1c9</code></a>
Remove rustdoc GUI flaky test</li>
<li><a
href="f8cf317da3"><code>f8cf317</code></a>
Revert &quot;Update wasm-related dependencies in CI&quot;</li>
<li><a
href="9c13ace16d"><code>9c13ace</code></a>
fix: <code>panicking_unwrap</code> FP on field access with implicit
deref</li>
<li><a
href="feb759bb79"><code>feb759b</code></a>
Don't try to recover keyword as non-keyword identifier</li>
<li><a
href="f691f9a0ec"><code>f691f9a</code></a>
Add regression tests for keyword-in-identifier-position recovery
ICE</li>
<li>See full diff in <a
href="https://github.com/rust-lang/rust/compare/1.93.0...1.93.1">compare
view</a></li>
</ul>
</details>
<br />


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Co-authored-by: Eric Traut <etraut@openai.com>

codex-rs/rust-toolchain.toml

@@ -1,3 +1,3 @@
 [toolchain]
-channel = "1.93.0"
+channel = "1.93.1"
 components = ["clippy", "rustfmt", "rust-src"]