Bump tempfile from 3.11.0 to 3.12.0 (#3287)

Bumps [tempfile](https://github.com/Stebalien/tempfile) from 3.11.0 to
3.12.0.
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a
href="https://github.com/Stebalien/tempfile/blob/master/CHANGELOG.md">tempfile's
changelog</a>.</em></p>
<blockquote>
<h2>3.12.0</h2>
<ul>
<li>Add a <code>keep(keep: bool)</code> function to builder that
suppresses delete-on-drop behavior (thanks to <a
href="https://github.com/RalfJung"><code>@​RalfJung</code></a>).</li>
<li>Update <code>windows-sys</code> from 0.52 to 0.59.</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li>See full diff in <a
href="https://github.com/Stebalien/tempfile/commits">compare
view</a></li>
</ul>
</details>
<br />


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src/core/Cargo.toml

@@ -68,7 +68,7 @@ vec-collections = "0.4.3"
 codspeed-criterion-compat = "2.6.0"
 proptest = { version = "1.5.0", default-features = false, features = ["std"]}
 rand = "0.8.2"
-tempfile = "3.11.0"
+tempfile = "3.12.0"
 
 [[bench]]
 name = "compute"