dependabot[bot] opened a new pull request, #1919:
URL: https://github.com/apache/arrow-rs/pull/1919

   Updates the requirements on [half](https://github.com/starkat99/half-rs) to 
permit the latest version.
   <details>
   <summary>Release notes</summary>
   <p><em>Sourced from <a 
href="https://github.com/starkat99/half-rs/releases";>half's 
releases</a>.</em></p>
   <blockquote>
   <h2>2.0.0</h2>
   <h3>Changed</h3>
   <ul>
   <li><strong>Breaking Change</strong> Minimum supported Rust version is now 
1.58.</li>
   <li><strong>Breaking Change</strong> <code>std</code> is now enabled as a 
default cargo feature. Disable default features to continue using 
<code>no_std</code> support.</li>
   <li>Migrated to Rust Edition 2021.</li>
   <li>Added <code>#[must_use]</code> attributes to functions, as 
appropriate.</li>
   </ul>
   <h3>Fixed</h3>
   <ul>
   <li>Fix a soundness bug with <code>slice::as_ptr</code> not correctly using 
mutable reference. By <a 
href="https://github.com/Nilstrieb";><code>@​Nilstrieb</code></a>.</li>
   </ul>
   <h3>Added</h3>
   <ul>
   <li>Added <code>const</code> conversion methods to both <code>f16</code> and 
<code>bf16</code>. These methods never use hardware intrinsics, unlike the 
current conversion methods, which is why they are separated into new methods. 
The following <code>const</code> methods were added:
   <ul>
   <li><code>from_f32_const</code></li>
   <li><code>from_f64_const</code></li>
   <li><code>to_f32_const</code></li>
   <li><code>to_f64_const</code></li>
   </ul>
   </li>
   <li>Added <code>Neg</code> trait support for borrowed values 
<code>&amp;f16</code> and <code>&amp;bf16</code>. By <a 
href="https://github.com/pthariensflame";><code>@​pthariensflame</code></a>.</li>
   <li>Added <code>AsPrimitive</code> implementations from and to self, 
<code>usize</code>, and <code>isize</code>. By <a 
href="https://github.com/kali";><code>@​kali</code></a>.</li>
   </ul>
   <h3>Removed</h3>
   <ul>
   <li><strong>Breaking Change</strong> The deprecated <code>serialize</code> 
cargo feature has been removed. Use <code>serde</code> cargo feature 
instead.</li>
   <li><strong>Breaking Change</strong> The deprecated <code>consts</code> 
module has been removed. Use associated constants on <code>f16</code> 
instead.</li>
   <li><strong>Breaking Change</strong> The following deprecated functions have 
been removed:
   <ul>
   <li><code>f16::as_bits</code></li>
   <li><code>slice::from_bits_mut</code></li>
   <li><code>slice::to_bits_mut</code></li>
   <li><code>slice::from_bits</code></li>
   <li><code>slice::to_bits</code></li>
   <li><code>vec::from_bits</code></li>
   <li><code>vec::to_bits</code></li>
   </ul>
   </li>
   </ul>
   </blockquote>
   </details>
   <details>
   <summary>Changelog</summary>
   <p><em>Sourced from <a 
href="https://github.com/starkat99/half-rs/blob/main/CHANGELOG.md";>half's 
changelog</a>.</em></p>
   <blockquote>
   <h2>[2.0.0] - 2022-06-21 <!-- raw HTML omitted --><!-- raw HTML omitted 
--></h2>
   <h3>Changed</h3>
   <ul>
   <li><strong>Breaking Change</strong> Minimum supported Rust version is now 
1.58.</li>
   <li><strong>Breaking Change</strong> <code>std</code> is now enabled as a 
default cargo feature. Disable default features to
   continue using <code>no_std</code> support.</li>
   <li>Migrated to Rust Edition 2021.</li>
   <li>Added <code>#[must_use]</code> attributes to functions, as 
appropriate.</li>
   </ul>
   <h3>Fixed</h3>
   <ul>
   <li>Fix a soundness bug with <code>slice::as_ptr</code> not correctly using 
mutable reference. By [<a 
href="https://github.com/Nilstrieb";><code>@​Nilstrieb</code></a>].</li>
   </ul>
   <h3>Added</h3>
   <ul>
   <li>Added <code>const</code> conversion methods to both <code>f16</code> and 
<code>bf16</code>. These methods never use hardware
   intrinsics, unlike the current conversion methods, which is why they are 
separated into new
   methods. The following <code>const</code> methods were added:
   <ul>
   <li><code>from_f32_const</code></li>
   <li><code>from_f64_const</code></li>
   <li><code>to_f32_const</code></li>
   <li><code>to_f64_const</code></li>
   </ul>
   </li>
   <li>Added <code>Neg</code> trait support for borrowed values 
<code>&amp;f16</code> and <code>&amp;bf16</code>. By [<a 
href="https://github.com/pthariensflame";><code>@​pthariensflame</code></a>].</li>
   <li>Added <code>AsPrimitive</code> implementations from and to self, 
<code>usize</code>, and <code>isize</code>. By [<a 
href="https://github.com/kali";><code>@​kali</code></a>].</li>
   </ul>
   <h3>Removed</h3>
   <ul>
   <li><strong>Breaking Change</strong> The deprecated <code>serialize</code> 
cargo feature has been removed. Use <code>serde</code> cargo
   feature instead.</li>
   <li><strong>Breaking Change</strong> The deprecated <code>consts</code> 
module has been removed. Use associated constants on
   <code>f16</code> instead.</li>
   <li><strong>Breaking Change</strong> The following deprecated functions have 
been removed:
   <ul>
   <li><code>f16::as_bits</code></li>
   <li><code>slice::from_bits_mut</code></li>
   <li><code>slice::to_bits_mut</code></li>
   <li><code>slice::from_bits</code></li>
   <li><code>slice::to_bits</code></li>
   <li><code>vec::from_bits</code></li>
   <li><code>vec::to_bits</code></li>
   </ul>
   </li>
   </ul>
   <h2>[1.8.2] - 2021-10-22 <!-- raw HTML omitted --><!-- raw HTML omitted 
--></h2>
   <h3>Fixed</h3>
   <ul>
   <li>Remove cargo resolver=2 from manifest to resolve errors in older 
versions of Rust that still
   worked with 1.8.0. Going forward, MSRV increases will be major version 
increases. Fixes <a 
href="https://github-redirect.dependabot.com/starkat99/half-rs/issues/48";>#48</a>.</li>
   </ul>
   <h2>[1.8.1] - 2021-10-21 - <strong>Yanked</strong> <!-- raw HTML omitted 
--><!-- raw HTML omitted --></h2>
   <h3><em><strong>Yanked</strong></em></h3>
   <p><em>Not recommended due to introducing compilation error in Rust versions 
that worked with 1.8.0.</em></p>
   <h3>Changed</h3>
   <ul>
   <li>Now uses cargo resolver version 2 to prevent dev-dependencies from 
enabling <code>std</code> feature on
   optional dependencies.</li>
   </ul>
   <h3>Fixed</h3>
   <ul>
   <li>Fixed compile failure when <code>std</code> feature is not enabled and 
<code>num-traits</code> is enabled under new</li>
   </ul>
   <!-- raw HTML omitted -->
   </blockquote>
   <p>... (truncated)</p>
   </details>
   <details>
   <summary>Commits</summary>
   <ul>
   <li><a 
href="https://github.com/starkat99/half-rs/commit/7ae587c5ec2da34f537c90b11c950f0b748d655b";><code>7ae587c</code></a>
 Version bump for release</li>
   <li><a 
href="https://github.com/starkat99/half-rs/commit/2a463c3baeaf178a9ab1edff638605e982465ff7";><code>2a463c3</code></a>
 Add miri to CI</li>
   <li><a 
href="https://github.com/starkat99/half-rs/commit/36c1e3f366a24bd0337f700a3d5be73d1dca8d03";><code>36c1e3f</code></a>
 Fix exclusive reference obtained from shared reference</li>
   <li><a 
href="https://github.com/starkat99/half-rs/commit/4e4ef87b16a3a299fe44fc608bf3b88b8d727a1d";><code>4e4ef87</code></a>
 update changelog with PR changes</li>
   <li><a 
href="https://github.com/starkat99/half-rs/commit/723ca074e2443ef2948195c5208c71bfec20b0b2";><code>723ca07</code></a>
 add AsPrimitive impls: from and to self, from and to usize and isize</li>
   <li><a 
href="https://github.com/starkat99/half-rs/commit/0389edf4a43304c19eaa23edeb36a2c87da37fde";><code>0389edf</code></a>
 Add <code>impl Neg</code> for references</li>
   <li><a 
href="https://github.com/starkat99/half-rs/commit/f8a4b83f92a746ff4883e38cabc0754c41dd2baa";><code>f8a4b83</code></a>
 bump rustc min to 1.58</li>
   <li><a 
href="https://github.com/starkat99/half-rs/commit/005ad4e0ad775befb80e420f1fe753db7747fc40";><code>005ad4e</code></a>
 allow uninit_vec clippy lint for now</li>
   <li><a 
href="https://github.com/starkat99/half-rs/commit/ce0279c0566fcb8a8be946700e15193263c21a5e";><code>ce0279c</code></a>
 allow uninit_vec clippy lint for now</li>
   <li><a 
href="https://github.com/starkat99/half-rs/commit/37ed710b19941d3b5349bdaba32d177c3369d55d";><code>37ed710</code></a>
 added #[must_use] attributes</li>
   <li>Additional commits viewable in <a 
href="https://github.com/starkat99/half-rs/compare/v1.8.0...v2.0.0";>compare 
view</a></li>
   </ul>
   </details>
   <br />
   
   
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