build(deps): bump signal-hook-registry from 1.4.5 to 1.4.6 (#38481)

Bumps [signal-hook-registry](https://github.com/vorner/signal-hook) from
1.4.5 to 1.4.6.
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a
href="https://github.com/vorner/signal-hook/blob/master/CHANGELOG.md">signal-hook-registry's
changelog</a>.</em></p>
<blockquote>
<h1>signal-hook-registry-1.4.6</h1>
<ul>
<li>Reword/improve the safety requirements docs for register (<a
href="https://redirect.github.com/vorner/signal-hook/issues/178">#178</a>).</li>
</ul>
<h1>signal-hook-1.3.18</h1>
<ul>
<li>Release the special-case removal of AIX for top-level signal-hook
too (<a
href="https://redirect.github.com/vorner/signal-hook/issues/169">#169</a>,
<a
href="https://redirect.github.com/vorner/signal-hook/issues/176">#176</a>).</li>
</ul>
<h1>signal-hook-async-std-0.3.0</h1>
<ul>
<li>Bump async-std to 0.2 (<a
href="https://redirect.github.com/vorner/signal-hook/issues/172">#172</a>).</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="4c5d0a0d3b"><code>4c5d0a0</code></a>
Release registry v1.4.6</li>
<li><a
href="b299a05459"><code>b299a05</code></a>
Merge pull request <a
href="https://redirect.github.com/vorner/signal-hook/issues/179">#179</a>
from vorner/safety-docs</li>
<li><a
href="164d58b924"><code>164d58b</code></a>
Clarify safety requirements for register.</li>
<li><a
href="1ff235c739"><code>1ff235c</code></a>
Merge pull request <a
href="https://redirect.github.com/vorner/signal-hook/issues/177">#177</a>
from tomstokes/master</li>
<li><a
href="9ffea0fd11"><code>9ffea0f</code></a>
docs: Fix MIO feature name</li>
<li><a
href="e343491fa5"><code>e343491</code></a>
Version 0.3.18</li>
<li><a
href="dfdec81944"><code>dfdec81</code></a>
signal-hook-async-std 0.3.0</li>
<li><a
href="dcc5da2f30"><code>dcc5da2</code></a>
Merge pull request <a
href="https://redirect.github.com/vorner/signal-hook/issues/175">#175</a>
from gaykitty/update-async-std</li>
<li><a
href="171da9cf95"><code>171da9c</code></a>
Update async-io and futures-lite to v2</li>
<li>See full diff in <a
href="https://github.com/vorner/signal-hook/compare/registry-v1.4.5...registry-v1.4.6">compare
view</a></li>
</ul>
</details>
<br />


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Cargo.lock

@@ -7830,9 +7830,9 @@ dependencies = [
 
 [[package]]
 name = "signal-hook-registry"
-version = "1.4.5"
+version = "1.4.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9203b8055f63a2a00e2f593bb0510367fe707d7ff1e5c872de2f537b339e5410"
+checksum = "b2a4719bff48cee6b39d12c020eeb490953ad2443b7055bd0b21fca26bd8c28b"
 dependencies = [
  "libc",
 ]