chore(deps): bump num-bigint from 0.4.6 to 0.5.0 (#303)

Bumps [num-bigint](https://github.com/rust-num/num-bigint) from 0.4.6 to
0.5.0.
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a
href="https://github.com/rust-num/num-bigint/blob/master/RELEASES.md">num-bigint's
changelog</a>.</em></p>
<blockquote>
<h1>Release 0.5.0 (2026-07-02)</h1>
<ul>
<li><a
href="https://redirect.github.com/rust-num/num-bigint/pull/338">Upgrade
to <code>rand</code> v0.10 and/or v0.9, and split
<code>rand_core</code></a>.
<ul>
<li>The former <code>rand</code> feature is now split into multiple
features, <code>rand_0_9</code>,
<code>rand_core_0_9</code>, <code>rand_0_10</code>, and
<code>rand_core_0_10</code>, depending on the
version and feature set you need.</li>
<li>The <code>RandBigInt</code> extension trait is now split into
<code>BigRng09</code> and
<code>BigRng010</code> for each version.</li>
<li>The <code>gen_*</code> methods are deprecated in favor of new
<code>random_*</code> methods.</li>
<li>This is also a <a
href="https://rust-random.github.io/book/crate-reprod.html#api-breaking-value-breaking-and-semver">value-breaking</a>
release, as <code>rand</code> defines it.</li>
</ul>
</li>
</ul>
<p><strong>Contributors</strong>: <a
href="https://github.com/bionicles"><code>@​bionicles</code></a>, <a
href="https://github.com/cuviper"><code>@​cuviper</code></a>, <a
href="https://github.com/divergentdave"><code>@​divergentdave</code></a></p>
<h1>Release 0.4.7 (2026-07-02)</h1>
<ul>
<li><a
href="https://redirect.github.com/rust-num/num-bigint/pull/307">Inline
single-digit values.</a> This reduces heap allocations, and
also enables <code>const ONE</code>, <code>const NEG_ONE</code>, and
<code>const fn new_const</code>.</li>
<li><a
href="https://redirect.github.com/rust-num/num-bigint/pull/316">Use
divide and conquer in <code>to_radix_digits</code>,</a> also
implementing
the Burnikel-Ziegler algorithm to speed up large divisions in
general.</li>
<li><a
href="https://redirect.github.com/rust-num/num-bigint/pull/330">Implement
<code>LowerBounded</code> for <code>BigUint</code>.</a></li>
</ul>
<p><strong>Contributors</strong>: <a
href="https://github.com/cp289"><code>@​cp289</code></a>, <a
href="https://github.com/cuviper"><code>@​cuviper</code></a>, <a
href="https://github.com/hkalbasi"><code>@​hkalbasi</code></a>, <a
href="https://github.com/mikem8891"><code>@​mikem8891</code></a>, <a
href="https://github.com/pRizz"><code>@​pRizz</code></a>, <a
href="https://github.com/tyilo"><code>@​tyilo</code></a>, <a
href="https://github.com/xtqqczze"><code>@​xtqqczze</code></a></p>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/rust-num/num-bigint/commit/0ab95df78c44aeb9036b3b4f06ff39a740230924"><code>0ab95df</code></a>
Merge pull request <a
href="https://redirect.github.com/rust-num/num-bigint/issues/338">#338</a>
from cuviper/rand-0.10</li>
<li><a
href="https://github.com/rust-num/num-bigint/commit/33d6998b40cad9787e2179ddfecf8eab655d759d"><code>33d6998</code></a>
Release 0.5.0</li>
<li><a
href="https://github.com/rust-num/num-bigint/commit/84d05b791d0b748b5bac9c7766109853949e5034"><code>84d05b7</code></a>
Clean up manifests of ci crates</li>
<li><a
href="https://github.com/rust-num/num-bigint/commit/f8daf564cd3d0888c3aeca6e4a0e63cb3c69a83d"><code>f8daf56</code></a>
Allow <code>clippy::duplicate_mod</code> where intended</li>
<li><a
href="https://github.com/rust-num/num-bigint/commit/022310ab277684b9e7fe586304d0dfaa11cb73fe"><code>022310a</code></a>
Rearrange the <code>rand</code> features to support both 0.9 and
0.10</li>
<li><a
href="https://github.com/rust-num/num-bigint/commit/537a0362554ae00a97dbe4af58770dfcd0e0a1ca"><code>537a036</code></a>
ci: use the fallback resolver for deps</li>
<li><a
href="https://github.com/rust-num/num-bigint/commit/6303d1a312295a8d62ccde624f25dc806d9d9b43"><code>6303d1a</code></a>
Upgrade to <code>rand v0.10</code> and split <code>rand_core
v0.10</code></li>
<li><a
href="https://github.com/rust-num/num-bigint/commit/1d3365b0d3b681059686f079222f323ac800304b"><code>1d3365b</code></a>
Merge pull request <a
href="https://redirect.github.com/rust-num/num-bigint/issues/346">#346</a>
from cuviper/release-0.4.7</li>
<li><a
href="https://github.com/rust-num/num-bigint/commit/73a720548ddbc9f76589bc97b13c66244986e04d"><code>73a7205</code></a>
Release 0.4.7</li>
<li><a
href="https://github.com/rust-num/num-bigint/commit/6e9fe33140bcb8f0a6cc6cb8b77146f093105b1b"><code>6e9fe33</code></a>
Merge pull request <a
href="https://redirect.github.com/rust-num/num-bigint/issues/335">#335</a>
from cp289/sign_docs</li>
<li>Additional commits viewable in <a
href="https://github.com/rust-num/num-bigint/compare/num-bigint-0.4.6...num-bigint-0.5.0">compare
view</a></li>
</ul>
</details>
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Cargo.lock

@@ -80,7 +80,7 @@ tempfile = "3"
 
 # Math coprocessor — number theory + exact arithmetic.  Permissive licences
 # (Apache-2.0 / MIT) compatible with MPL-2.0 / MPL-2.0 fallback.
-num-bigint = "0.4"
+num-bigint = "0.5"
 num-integer = "0.1"
 num-traits = "0.2"