Auto merge of #27358 - servo:dependabot/cargo/crossbeam-channel-0.4.3, r=jdm

build(deps): bump crossbeam-channel from 0.4.2 to 0.4.3

Bumps [crossbeam-channel](https://github.com/crossbeam-rs/crossbeam) from 0.4.2 to 0.4.3.
<details>
<summary>Commits</summary>
<ul>
<li><a href="5a68889cbc"><code>5a68889</code></a> Bump crossbeam-channel to v0.4.3</li>
<li><a href="669736b8e5"><code>669736b</code></a> Merge pull request <a href="https://github-redirect.dependabot.com/crossbeam-rs/crossbeam/issues/537">#537</a> from nical/cb-chan-license</li>
<li><a href="ce713a1f8b"><code>ce713a1</code></a> Change crossbeam-channel's license to MIT OR Apache-2.0.</li>
<li><a href="81ab18efc7"><code>81ab18e</code></a> Merge pull request <a href="https://github-redirect.dependabot.com/crossbeam-rs/crossbeam/issues/530">#530</a> from crossbeam-rs/license</li>
<li><a href="81eea47889"><code>81eea47</code></a> Remove parentheses from license field in Cargo.toml</li>
<li><a href="2f1ed42da6"><code>2f1ed42</code></a> Merge <a href="https://github-redirect.dependabot.com/crossbeam-rs/crossbeam/issues/527">#527</a></li>
<li><a href="1ad6b9fdd4"><code>1ad6b9f</code></a> Attempt to fix permission error</li>
<li><a href="af63c6b605"><code>af63c6b</code></a> Propagate nightly feature</li>
<li><a href="cae71e1c62"><code>cae71e1</code></a> Check all feature combinations works properly on CI</li>
<li><a href="bbc8601e4d"><code>bbc8601</code></a> Merge <a href="https://github-redirect.dependabot.com/crossbeam-rs/crossbeam/issues/525">#525</a> <a href="https://github-redirect.dependabot.com/crossbeam-rs/crossbeam/issues/528">#528</a></li>
<li>Additional commits viewable in <a href="https://github.com/crossbeam-rs/crossbeam/compare/v0.4.2...crossbeam-channel-0.4.3">compare view</a></li>
</ul>
</details>
<br />

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Cargo.lock

@@ -992,12 +992,12 @@ dependencies = [
 
 [[package]]
 name = "crossbeam-channel"
-version = "0.4.2"
+version = "0.4.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cced8691919c02aac3cb0a1bc2e9b73d89e832bf9a06fc579d4e71b68a2da061"
+checksum = "09ee0cc8804d5393478d743b035099520087a5186f3b93fa58cec08fa62407b6"
 dependencies = [
+ "cfg-if",
  "crossbeam-utils",
- "maybe-uninit",
 ]
 
 [[package]]