build(deps): bump divan from 0.1.17 to 0.1.21 in /rust (#9099)

Bumps [divan](https://github.com/nvzqz/divan) from 0.1.17 to 0.1.21.
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a
href="https://github.com/nvzqz/divan/blob/main/CHANGELOG.md">divan's
changelog</a>.</em></p>
<blockquote>
<h2>[0.1.21] - 2025-04-09</h2>
<h3>Fixed</h3>
<ul>
<li><code>Divan::skip_exact</code> behaved incorrectly in
<code>v0.1.19</code>.</li>
</ul>
<h3>Changed</h3>
<ul>
<li>Improved handling of internal code around filters and those
responsible for
sacking the people who have just been sacked have been sacked.</li>
</ul>
<h2>[0.1.20] - 2025-04-09</h2>
<h3>Fixed</h3>
<ul>
<li><code>Divan::skip_regex</code> accidentally dropped
<a
href="https://docs.rs/regex-lite/latest/regex_lite/struct.Regex.html"><code>regex_lite::Regex</code></a>
and behaved incorrectly in <code>v0.1.19</code>.</li>
</ul>
<h2>[0.1.19] - 2025-04-09</h2>
<h3>Fixed</h3>
<ul>
<li>[<code>cargo-nextest</code>] no longer skips benchmarks with
argument parameters (<a
href="https://redirect.github.com/nvzqz/divan/issues/75">#75</a>).</li>
</ul>
<h3>Changed</h3>
<ul>
<li>Organized positive and negative filters into a split buffer.</li>
</ul>
<h2>[0.1.18] - 2025-04-05</h2>
<h3>Added</h3>
<ul>
<li>
<p>Support for [<code>cargo-nextest</code>] running benchmarks as
tests.</p>
</li>
<li>
<p>[<code>prelude</code>] module for simplifying imports of
[<code>#[bench]</code>][bench_attr],
[<code>#[bench_group]</code>][bench_group_attr],
[<code>black_box</code>], [<code>black_box_drop</code>],
[<code>AllocProfiler</code>], [<code>Bencher</code>], and
[<code>Divan</code>].</p>
</li>
<li>
<p>Support <code>wasi</code> and <code>emscripten</code> targets.</p>
</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="52f9d4983e"><code>52f9d49</code></a>
Release v0.1.21</li>
<li><a
href="5afb095486"><code>5afb095</code></a>
Fix broken <code>Divan::skip_exact</code></li>
<li><a
href="e4d112ccbc"><code>e4d112c</code></a>
Release v0.1.20</li>
<li><a
href="1d74108bbe"><code>1d74108</code></a>
Fix broken <code>Divan::skip_regex</code></li>
<li><a
href="58988fc304"><code>58988fc</code></a>
Release v0.1.19</li>
<li><a
href="f43a742d0f"><code>f43a742</code></a>
docs: Change &quot;changes&quot; to &quot;changed&quot; in
changelog</li>
<li><a
href="f348769fb4"><code>f348769</code></a>
docs: List most recent changes in changelog</li>
<li><a
href="07111fb6f8"><code>07111fb</code></a>
Abstract filters into <code>FilterSet</code></li>
<li><a
href="2c865cdf24"><code>2c865cd</code></a>
docs: Add link to <code>prelude</code> module in changelog</li>
<li><a
href="9075b9e0ed"><code>9075b9e</code></a>
fix nextest support for parameterized benches</li>
<li>Additional commits viewable in <a
href="https://github.com/nvzqz/divan/compare/v0.1.17...v0.1.21">compare
view</a></li>
</ul>
</details>
<br />


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rust/Cargo.lock

@@ -1737,9 +1737,9 @@ dependencies = [
 
 [[package]]
 name = "divan"
-version = "0.1.17"
+version = "0.1.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e0583193020b29b03682d8d33bb53a5b0f50df6daacece12ca99b904cfdcb8c4"
+checksum = "a405457ec78b8fe08b0e32b4a3570ab5dff6dd16eb9e76a5ee0a9d9cbd898933"
 dependencies = [
  "cfg-if",
  "clap",
@@ -1751,9 +1751,9 @@ dependencies = [
 
 [[package]]
 name = "divan-macros"
-version = "0.1.17"
+version = "0.1.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8dc51d98e636f5e3b0759a39257458b22619cac7e96d932da6eeb052891bb67c"
+checksum = "9556bc800956545d6420a640173e5ba7dfa82f38d3ea5a167eb555bc69ac3323"
 dependencies = [
  "proc-macro2",
  "quote",

rust/Cargo.toml

@@ -63,7 +63,7 @@ connlib-model = { path = "connlib/model" }
 derive_more = "1.0.0"
 difference = "2.0.0"
 dirs = "5.0.1"
-divan = "0.1.17"
+divan = "0.1.21"
 dns-lookup = "2.0"
 dns-over-tcp = { path = "connlib/dns-over-tcp" }
 dns-types = { path = "connlib/dns-types" }