Bump which from 4.4.0 to 4.4.2 (#2134)

Bumps [which](https://github.com/harryfei/which-rs) from 4.4.0 to 4.4.2.
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a
href="https://github.com/harryfei/which-rs/blob/master/CHANGELOG.md">which's
changelog</a>.</em></p>
<blockquote>
<h2>4.4.2</h2>
<ul>
<li>Remove dependency on <code>dirs</code> crate due to MPL licensing in
its tree. Use <code>home</code> crate instead. (<a
href="https://github.com/Xaeroxe"><code>@​Xaeroxe</code></a>)</li>
</ul>
<h2>4.4.1</h2>
<ul>
<li>Add tilde expansion for home directory (<a
href="https://github.com/Xaeroxe"><code>@​Xaeroxe</code></a>)</li>
<li>Swap out libc for rustix, forbid unsafe (<a
href="https://github.com/notgull"><code>@​notgull</code></a>)</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/harryfei/which-rs/commit/35196c186f8fbec8dc40919cffa726a8bfc10998"><code>35196c1</code></a>
Use cargo deny to check licenses in tree</li>
<li><a
href="https://github.com/harryfei/which-rs/commit/1e792762b50cbe4f4db151d3363c44685370008e"><code>1e79276</code></a>
Add MSRV Rust 1.63</li>
<li><a
href="https://github.com/harryfei/which-rs/commit/833931109989e59509b79432e8fe963f4ca49d5e"><code>8339311</code></a>
Keep a changelog</li>
<li><a
href="https://github.com/harryfei/which-rs/commit/40667e78199d85bd13ee3c22c43e88a3392dca52"><code>40667e7</code></a>
Bump version to 4.4.2</li>
<li><a
href="https://github.com/harryfei/which-rs/commit/30abde41acc65afc6e87663a37e62317b11e90c7"><code>30abde4</code></a>
Remove dependency on dirs crate, use home instead</li>
<li><a
href="https://github.com/harryfei/which-rs/commit/74b713d4b3b9dfb5775c2a2bf49e1b56178136f2"><code>74b713d</code></a>
Bump version to 4.4.1</li>
<li><a
href="https://github.com/harryfei/which-rs/commit/2615c7420e3696f9e0f5ee5c78de258db0464188"><code>2615c74</code></a>
Silence clippy</li>
<li><a
href="https://github.com/harryfei/which-rs/commit/e2b07c3e94b143c31aafd81a7b43896e282a3c62"><code>e2b07c3</code></a>
Fix macOS tests</li>
<li><a
href="https://github.com/harryfei/which-rs/commit/92b3942d4de32af9d8f3607de8f983025e93b236"><code>92b3942</code></a>
Remove libc from dev-dependencies</li>
<li><a
href="https://github.com/harryfei/which-rs/commit/f24fb5800427b08be35f0bb243cc76636bd1db7d"><code>f24fb58</code></a>
Switch to rustix from libc</li>
<li>Additional commits viewable in <a
href="https://github.com/harryfei/which-rs/compare/4.4.0...4.4.2">compare
view</a></li>
</ul>
</details>
<br />


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Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Yota Toyama <[email protected]>
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