Auto merge of #28098 - servo:dependabot/cargo/jpeg-decoder-0.1.21, r=jdm

Bump jpeg-decoder from 0.1.20 to 0.1.21

Bumps [jpeg-decoder](https://github.com/image-rs/jpeg-decoder) from 0.1.20 to 0.1.21.
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a href="https://github.com/image-rs/jpeg-decoder/blob/master/CHANGELOG.md">jpeg-decoder's changelog</a>.</em></p>
<blockquote>
<h2>v0.1.21 (2021-01-23)</h2>
<ul>
<li>Fix incorrect order of MCUs in non-interleaved streams</li>
<li>DCT Progressive images with incomplete coefficient blocks are now rendered</li>
<li>Fix a panic on invalid dimensions</li>
<li>Reduce allocations and runtime of decoding</li>
<li>Rework multi-threading to run a thread per component</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a href="adc1bb346b"><code>adc1bb3</code></a> Update crate meta data for 0.1.21</li>
<li><a href="3bdaa07fe0"><code>3bdaa07</code></a> Merge pull request <a href="https://github-redirect.dependabot.com/image-rs/jpeg-decoder/issues/177">#177</a> from quilan1/process-unfinished-progressive-data</li>
<li><a href="b022ad1575"><code>b022ad1</code></a> Progressive images now render incomplete coefficients</li>
<li><a href="9cb72e5202"><code>9cb72e5</code></a> Merge pull request <a href="https://github-redirect.dependabot.com/image-rs/jpeg-decoder/issues/168">#168</a> from Shnatsel/multithreading-poc</li>
<li><a href="92350c7321"><code>92350c7</code></a> Merge pull request <a href="https://github-redirect.dependabot.com/image-rs/jpeg-decoder/issues/175">#175</a> from okaneco/byteorder</li>
<li><a href="bc18ecf4b8"><code>bc18ecf</code></a> Merge pull request <a href="https://github-redirect.dependabot.com/image-rs/jpeg-decoder/issues/176">#176</a> from quilan1/bugfix-non-interleaved-mcus</li>
<li><a href="bc1a817fe6"><code>bc1a817</code></a> Added test case for non-interleaved MCU crash</li>
<li><a href="6d9fd3ef34"><code>6d9fd3e</code></a> The decoder now treats non-interleaved streams as blocks</li>
<li><a href="29b9c047ad"><code>29b9c04</code></a> Merge pull request <a href="https://github-redirect.dependabot.com/image-rs/jpeg-decoder/issues/174">#174</a> from jrmuizel/icc</li>
<li><a href="7666d6dbd9"><code>7666d6d</code></a> Remove byteorder dep</li>
<li>Additional commits viewable in <a href="https://github.com/image-rs/jpeg-decoder/compare/v0.1.20...v0.1.21">compare view</a></li>
</ul>
</details>
<br />

[![Dependabot compatibility score](https://api.dependabot.com/badges/compatibility_score?dependency-name=jpeg-decoder&package-manager=cargo&previous-version=0.1.20&new-version=0.1.21)](https://dependabot.com/compatibility-score/?dependency-name=jpeg-decoder&package-manager=cargo&previous-version=0.1.20&new-version=0.1.21)

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Cargo.lock

@@ -2979,11 +2979,10 @@ dependencies = [
 
 [[package]]
 name = "jpeg-decoder"
-version = "0.1.20"
+version = "0.1.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cc797adac5f083b8ff0ca6f6294a999393d76e197c36488e2ef732c4715f6fa3"
+checksum = "d6187dc218616c3a222bae7b78938f5af5e7c27d9cbef4c30ebca709cd680bf8"
 dependencies = [
- "byteorder",
  "rayon",
 ]