Auto merge of #28791 - servo:dependabot/cargo/libz-sys-1.1.5, r=jdm

Bump libz-sys from 1.1.2 to 1.1.5

Bumps [libz-sys](https://github.com/rust-lang/libz-sys) from 1.1.2 to 1.1.5.
<details>
<summary>Commits</summary>
<ul>
<li><a href="d66a637fdb"><code>d66a637</code></a> libz-sys 1.1.5</li>
<li><a href="4fa9b6bf17"><code>4fa9b6b</code></a> Merge pull request <a href="https://github-redirect.dependabot.com/rust-lang/libz-sys/issues/90">#90</a> from joshtriplett/windows-ci</li>
<li><a href="9779695d42"><code>9779695</code></a> Install MinGW using msys2/setup-msys2</li>
<li><a href="d18c7ba4d2"><code>d18c7ba</code></a> Merge pull request <a href="https://github-redirect.dependabot.com/rust-lang/libz-sys/issues/89">#89</a> from joshtriplett/apple-test</li>
<li><a href="031b841ef3"><code>031b841</code></a> Fix build on macOS</li>
<li><a href="698f11f82d"><code>698f11f</code></a> Reduce the test matrix substantially</li>
<li><a href="96448c1faf"><code>96448c1</code></a> Merge pull request <a href="https://github-redirect.dependabot.com/rust-lang/libz-sys/issues/88">#88</a> from joshtriplett/zlib-ng-fix-windows-library-name</li>
<li><a href="072ba732a5"><code>072ba73</code></a> build.rs: Fix library name on Windows, with and without MSVC</li>
<li><a href="fd4d356e44"><code>fd4d356</code></a> libz-sys 1.1.4</li>
<li><a href="68b89a4e1e"><code>68b89a4</code></a> Merge pull request <a href="https://github-redirect.dependabot.com/rust-lang/libz-sys/issues/71">#71</a> from youknowone/warn-pkgconfig</li>
<li>Additional commits viewable in <a href="https://github.com/rust-lang/libz-sys/compare/1.1.2...1.1.5">compare view</a></li>
</ul>
</details>
<br />

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Cargo.lock

@@ -3482,9 +3482,9 @@ dependencies = [
 
 [[package]]
 name = "libz-sys"
-version = "1.1.2"
+version = "1.1.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "602113192b08db8f38796c4e85c39e960c145965140e918018bcde1952429655"
+checksum = "6f35facd4a5673cb5a48822be2be1d4236c1c99cb4113cab7061ac720d5bf859"
 dependencies = [
  "cc",
  "libc",