chore(deps): bump num from 0.4.2 to 0.4.3 (#34)

Bumps [num](https://github.com/rust-num/num) from 0.4.2 to 0.4.3.
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a
href="https://github.com/rust-num/num/blob/master/RELEASES.md">num's
changelog</a>.</em></p>
<blockquote>
<h1>Release 0.4.3 (2024-05-08)</h1>
<ul>
<li>Upgrade to 2021 edition, <strong>MSRV 1.60</strong>.</li>
<li>Updated all sub-crates to their latest versions.</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/rust-num/num/commit/1fec8524c4eaa27cbdf4bb3eb46782d2ff40b2ed"><code>1fec852</code></a>
Merge pull request <a
href="https://redirect.github.com/rust-num/num/issues/436">#436</a> from
cuviper/release-0.4.3</li>
<li><a
href="https://github.com/rust-num/num/commit/43bfc6bdad151d77a86b1218b5c93f2cdc91755f"><code>43bfc6b</code></a>
Remove old travis-ci metadata</li>
<li><a
href="https://github.com/rust-num/num/commit/1edbd36f0665026c81cbb927418376bbd31e54ef"><code>1edbd36</code></a>
Release 0.4.3</li>
<li><a
href="https://github.com/rust-num/num/commit/6585c6815d3c98477920a123a8a7034b6125f08f"><code>6585c68</code></a>
Upgrade to 2021 edition</li>
<li><a
href="https://github.com/rust-num/num/commit/99405993b193a748e95fc638dd3ad5d302c2e131"><code>9940599</code></a>
Use the latest version of all num crates</li>
<li><a
href="https://github.com/rust-num/num/commit/8c18cab28218de4c8b255c8056ad7125d1e19b07"><code>8c18cab</code></a>
Bump MSRV to 1.60</li>
<li>See full diff in <a
href="https://github.com/rust-num/num/compare/num-0.4.2...num-0.4.3">compare
view</a></li>
</ul>
</details>
<br />


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Cargo.toml

@@ -5,7 +5,7 @@ default-members = ["quizx"]
 
 [workspace.dependencies]
 quizx = { path = "./quizx" }
-num = "0.4.2"
+num = "0.4.3"
 approx = "0.5.1"
 itertools = "0.12.1"
 ndarray = "0.15.6"