Bump getrandom from 0.2.11 to 0.2.12 (#2924)

Bumps [getrandom](https://github.com/rust-random/getrandom) from 0.2.11
to 0.2.12.
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a
href="https://github.com/rust-random/getrandom/blob/master/CHANGELOG.md">getrandom's
changelog</a>.</em></p>
<blockquote>
<h2>[0.2.12] - 2024-01-09</h2>
<h3>Fixed</h3>
<ul>
<li>Custom backend for targets without atomics <a
href="https://redirect.github.com/rust-random/getrandom/issues/385">#385</a></li>
</ul>
<h3>Changed</h3>
<ul>
<li>Improve robustness of the Hermit backend and
<code>sys_fill_exact</code> <a
href="https://redirect.github.com/rust-random/getrandom/issues/386">#386</a></li>
<li>Raise minimum supported Apple OS versions to macOS 10.12 and iOS 10
<a
href="https://redirect.github.com/rust-random/getrandom/issues/388">#388</a></li>
</ul>
<h3>Added</h3>
<ul>
<li>Document platform support policy <a
href="https://redirect.github.com/rust-random/getrandom/issues/387">#387</a></li>
</ul>
<p><a
href="https://redirect.github.com/rust-random/getrandom/issues/385">#385</a>:
<a
href="https://redirect.github.com/rust-random/getrandom/pull/385">rust-random/getrandom#385</a>
<a
href="https://redirect.github.com/rust-random/getrandom/issues/386">#386</a>:
<a
href="https://redirect.github.com/rust-random/getrandom/pull/386">rust-random/getrandom#386</a>
<a
href="https://redirect.github.com/rust-random/getrandom/issues/387">#387</a>:
<a
href="https://redirect.github.com/rust-random/getrandom/pull/387">rust-random/getrandom#387</a>
<a
href="https://redirect.github.com/rust-random/getrandom/issues/388">#388</a>:
<a
href="https://redirect.github.com/rust-random/getrandom/pull/388">rust-random/getrandom#388</a></p>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/rust-random/getrandom/commit/f68a940b4dac78b49f00599aebd56c72284a92d9"><code>f68a940</code></a>
Release v0.2.12 (<a
href="https://redirect.github.com/rust-random/getrandom/issues/389">#389</a>)</li>
<li><a
href="https://github.com/rust-random/getrandom/commit/5fe3c8e34ad36cd99674530094dd6c90b1c4a5c0"><code>5fe3c8e</code></a>
Raise minimum supported Apple OS versions (<a
href="https://redirect.github.com/rust-random/getrandom/issues/388">#388</a>)</li>
<li><a
href="https://github.com/rust-random/getrandom/commit/8aa4efb1781cd4bef823a73f0f5b2f764fdd9248"><code>8aa4efb</code></a>
Document platform support policy (<a
href="https://redirect.github.com/rust-random/getrandom/issues/387">#387</a>)</li>
<li><a
href="https://github.com/rust-random/getrandom/commit/7249e6ec144f7b7055b86fd4d168d258823d8c40"><code>7249e6e</code></a>
Improve robustness of the Hermit backend and <code>sys_fill_exact</code>
(<a
href="https://redirect.github.com/rust-random/getrandom/issues/386">#386</a>)</li>
<li><a
href="https://github.com/rust-random/getrandom/commit/169944f1077a4ad83c1d6259a3dd1e27026cf04a"><code>169944f</code></a>
Fix custom backend for targets without atomics (<a
href="https://redirect.github.com/rust-random/getrandom/issues/385">#385</a>)</li>
<li>See full diff in <a
href="https://github.com/rust-random/getrandom/compare/v0.2.11...v0.2.12">compare
view</a></li>
</ul>
</details>
<br />


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