Bump num-traits from 0.2.14 to 0.2.15 (#2056)

Bumps [num-traits](https://github.com/rust-num/num-traits) from 0.2.14 to 0.2.15.
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a href="https://github.com/rust-num/num-traits/blob/master/RELEASES.md">num-traits's changelog</a>.</em></p>
<blockquote>
<h1>Release 0.2.15 (2022-05-02)</h1>
<ul>
<li><a href="https://github-redirect.dependabot.com/rust-num/num-traits/pull/195">The new <code>Euclid</code> trait calculates Euclidean division</a>, where the
remainder is always positive or zero.</li>
<li><a href="https://github-redirect.dependabot.com/rust-num/num-traits/pull/210">The new <code>LowerBounded</code> and <code>UpperBounded</code> traits</a> separately describe
types with lower and upper bounds. These traits are automatically implemented
for all fully-<code>Bounded</code> types.</li>
<li><a href="https://github-redirect.dependabot.com/rust-num/num-traits/pull/207">The new <code>Float::copysign</code> method copies the sign of the argument</a> to
to the magnitude of <code>self</code>.</li>
<li><a href="https://github-redirect.dependabot.com/rust-num/num-traits/pull/205">The new <code>PrimInt::leading_ones</code> and <code>trailing_ones</code> methods</a> are the
complement of the existing methods that count zero bits.</li>
<li><a href="https://github-redirect.dependabot.com/rust-num/num-traits/pull/202">The new <code>PrimInt::reverse_bits</code> method reverses the order of all bits</a>
of a primitive integer.</li>
<li><a href="https://github-redirect.dependabot.com/rust-num/num-traits/pull/201">Improved <code>Num::from_str_radix</code> for floats</a>, also <a href="https://github-redirect.dependabot.com/rust-num/num-traits/pull/214">ignoring case</a>.</li>
<li><a href="https://github-redirect.dependabot.com/rust-num/num-traits/pull/196"><code>Float</code> and <code>FloatCore</code> use more from <code>libm</code></a> when that is enabled.</li>
</ul>
<p><strong>Contributors</strong>: <a href="https://github.com/alion02"><code>@​alion02</code></a>, <a href="https://github.com/clarfonthey"><code>@​clarfonthey</code></a>, <a href="https://github.com/cuviper"><code>@​cuviper</code></a>, <a href="https://github.com/ElectronicRU"><code>@​ElectronicRU</code></a>,
<a href="https://github.com/ibraheemdev"><code>@​ibraheemdev</code></a>, <a href="https://github.com/SparrowLii"><code>@​SparrowLii</code></a>, <a href="https://github.com/sshilovsky"><code>@​sshilovsky</code></a>, <a href="https://github.com/tspiteri"><code>@​tspiteri</code></a>, <a href="https://github.com/XAMPPRocky"><code>@​XAMPPRocky</code></a>, <a href="https://github.com/Xiretza"><code>@​Xiretza</code></a></p>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a href="1597c1c4d1"><code>1597c1c</code></a> Merge <a href="https://github-redirect.dependabot.com/rust-num/num-traits/issues/236">#236</a></li>
<li><a href="4a2e648d93"><code>4a2e648</code></a> Release 0.2.15</li>
<li><a href="edb4821d42"><code>edb4821</code></a> Merge <a href="https://github-redirect.dependabot.com/rust-num/num-traits/issues/207">#207</a></li>
<li><a href="e4e52de40f"><code>e4e52de</code></a> Fix copysign tests for 1.8.0</li>
<li><a href="30077120f9"><code>3007712</code></a> Don't use an explicit copysign feature</li>
<li><a href="30f8d3ab4b"><code>30f8d3a</code></a> Make sure test_copysignf uses Float</li>
<li><a href="70b5c579ab"><code>70b5c57</code></a> Update float.rs</li>
<li><a href="cabfb0b904"><code>cabfb0b</code></a> Update float.rs</li>
<li><a href="7ca2456e9c"><code>7ca2456</code></a> Update float.rs</li>
<li><a href="64db6c3293"><code>64db6c3</code></a> Add copysign</li>
<li>Additional commits viewable in <a href="https://github.com/rust-num/num-traits/compare/num-traits-0.2.14...num-traits-0.2.15">compare view</a></li>
</ul>
</details>
<br />


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</details>

Cargo.lock

@@ -827,9 +827,9 @@ dependencies = [
 
 [[package]]
 name = "num-traits"
-version = "0.2.14"
+version = "0.2.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9a64b1ec5cda2586e284722486d802acf1f7dbdc623e2bfc57e65ca1cd099290"
+checksum = "578ede34cf02f8924ab9447f50c28075b4d3e5b269972345e7e0372b38c6cdcd"
 dependencies = [
  "autocfg",
 ]

boa_engine/Cargo.toml

@@ -27,7 +27,7 @@ boa_profiler = { path = "../boa_profiler", version = "0.14.0" }
 serde = { version = "1.0.137", features = ["derive", "rc"] }
 serde_json = "1.0.80"
 rand = "0.8.5"
-num-traits = "0.2.14"
+num-traits = "0.2.15"
 regress = "0.4.1"
 rustc-hash = "1.1.0"
 num-bigint = { version = "0.4.3", features = ["serde"] }