Auto merge of #26531 - servo:dependabot/cargo/itoa-0.4.5, r=jdm

Bump itoa from 0.4.1 to 0.4.5

Bumps [itoa](https://github.com/dtolnay/itoa) from 0.4.1 to 0.4.5.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a href="https://github.com/dtolnay/itoa/releases">itoa's releases</a>.</em></p>
<blockquote>
<h2>0.4.5</h2>
<ul>
<li>Eliminate deprecation warnings on use of <code>try!</code> macro and <code>mem::uninitialized</code></li>
</ul>
<h2>0.4.4</h2>
<ul>
<li>Documentation improvements</li>
</ul>
<h2>0.4.3</h2>
<ul>
<li>Add <a href="https://docs.rs/itoa/0.4/itoa/struct.Buffer.html"><code>itoa::Buffer</code></a> for safely writing to an uninitialized buffer (<a href="https://github-redirect.dependabot.com/dtolnay/itoa/issues/20">#20</a>, thanks <a href="https://github.com/Marwes">@Marwes</a>)</li>
</ul>
<h2>0.4.2</h2>
<ul>
<li>Remove unnecessary copyright line in MIT license</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a href="0ecba421fa"><code>0ecba42</code></a> Release 0.4.5</li>
<li><a href="40020b76c1"><code>40020b7</code></a> Add release-mode tests</li>
<li><a href="94c358c535"><code>94c358c</code></a> Eliminate deprecation warnings</li>
<li><a href="80c60941d6"><code>80c6094</code></a> Switch to SPDX 2.1 license expression</li>
<li><a href="7ef10b214d"><code>7ef10b2</code></a> Release 0.4.4</li>
<li><a href="b503c823e5"><code>b503c82</code></a> Skip doc tests when testing without std</li>
<li><a href="6bc31f5ec8"><code>6bc31f5</code></a> Update set of suppressions for clippy 2019-04-30</li>
<li><a href="b2ac3011f7"><code>b2ac301</code></a> Elide lifetime that can be inferred</li>
<li><a href="6b8a090932"><code>6b8a090</code></a> Remove nightly flags from benchmark</li>
<li><a href="17bbd67b77"><code>17bbd67</code></a> Support for i128 no longer requires nightly</li>
<li>Additional commits viewable in <a href="https://github.com/dtolnay/itoa/compare/0.4.1...0.4.5">compare view</a></li>
</ul>
</details>
<br />

[![Dependabot compatibility score](https://api.dependabot.com/badges/compatibility_score?dependency-name=itoa&package-manager=cargo&previous-version=0.4.1&new-version=0.4.5)](https://dependabot.com/compatibility-score/?dependency-name=itoa&package-manager=cargo&previous-version=0.4.1&new-version=0.4.5)

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Cargo.lock

@@ -2711,9 +2711,9 @@ dependencies = [
 
 [[package]]
 name = "itoa"
-version = "0.4.1"
+version = "0.4.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c069bbec61e1ca5a596166e55dfe4773ff745c3d16b700013bcaff9a6df2c682"
+checksum = "b8b7a7c0c47db5545ed3fef7468ee7bb5b74691498139e4b3f6a20685dc6dd8e"
 
 [[package]]
 name = "jemalloc-sys"