Bump which from 6.0.1 to 6.0.2 (risc0#2154)

Bumps [which](https://github.com/harryfei/which-rs) from 6.0.1 to 6.0.2.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/harryfei/which-rs/releases">which's
releases</a>.</em></p>
<blockquote>
<h2>6.0.2</h2>
<ul>
<li>Add <code>tracing</code> feature which outputs debugging information
to the <a
href="https://crates.io/crates/tracing"><code>tracing</code></a>
ecosystem.</li>
</ul>
</blockquote>
</details>
<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>6.0.2</h2>
<ul>
<li>Add <code>tracing</code> feature which outputs debugging information
to the <a
href="https://crates.io/crates/tracing"><code>tracing</code></a>
ecosystem.</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/harryfei/which-rs/commit/299189a376afa7dc3f33cc9091be360971dc6d3b"><code>299189a</code></a>
Bump version to 6.0.2</li>
<li><a
href="https://github.com/harryfei/which-rs/commit/07dea2e68124d22a57559f57448ce17ee3fe73ff"><code>07dea2e</code></a>
also run CI without features enabled</li>
<li><a
href="https://github.com/harryfei/which-rs/commit/fa9750218f56af7f716e110a7be1eae633d486f0"><code>fa97502</code></a>
modernize deny.toml</li>
<li><a
href="https://github.com/harryfei/which-rs/commit/ebf355f41f0ef7cc31ca84256d6647fb81fa1aac"><code>ebf355f</code></a>
Turn off tracing default features</li>
<li><a
href="https://github.com/harryfei/which-rs/commit/ba3681229dda0035538e5bccb72eed3cd7d508c9"><code>ba36812</code></a>
fix Windows code</li>
<li><a
href="https://github.com/harryfei/which-rs/commit/d6a14166d041674cc98e312dfbad8f771b7193fd"><code>d6a1416</code></a>
add optional tracing feature, trace which logic</li>
<li><a
href="https://github.com/harryfei/which-rs/commit/7a71ac67955b7b16ff52592b1e88b32d36d92fad"><code>7a71ac6</code></a>
Change from checkout@v3 to checkout@v4</li>
<li><a
href="https://github.com/harryfei/which-rs/commit/24efb5a437b9bd3504f4ec04aebbcfd0ecfe40ac"><code>24efb5a</code></a>
Remove CI dependency on node16</li>
<li>See full diff in <a
href="https://github.com/harryfei/which-rs/compare/6.0.1...6.0.2">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: Frank Laub <[email protected]>