Auto merge of #28807 - servo:dependabot/cargo/vcpkg-0.2.15, r=jdm

Bump vcpkg from 0.2.10 to 0.2.15

Bumps [vcpkg](https://github.com/mcgoo/vcpkg-rs) from 0.2.10 to 0.2.15.
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a href="https://github.com/mcgoo/vcpkg-rs/blob/master/CHANGELOG.md">vcpkg's changelog</a>.</em></p>
<blockquote>
<h2>[0.2.15] - 2021-06-19</h2>
<h3>Changed</h3>
<ul>
<li>No change in functionality.</li>
<li>Small typos corrected.</li>
</ul>
<h3>Fixed</h3>
<ul>
<li>Crate text files fixed have proper unix newline termination.</li>
</ul>
<h2>[0.2.14] - 2021-06-16</h2>
<h3>Changed</h3>
<ul>
<li>No change in functionality.</li>
<li>Correct rustc warning regarding ordering of <code>serde</code> vs <code>derive</code> attributes.</li>
<li>Repository refactored from workspace to <code>vcpkg</code> being the top-level crate.
Ensures test-data, README.md and LICENSE files are packaged by the crate.</li>
<li><code>cargo-vcpkg</code> removed from the repo, as it is now homed at mcgoo/cargo-vcpkg
as of its <code>0.1.6</code> release.</li>
<li>Integration tests will now bootstrap vcpkg if required.</li>
</ul>
<h2>[0.2.13] - 2021-05-21</h2>
<h3>Added</h3>
<ul>
<li>Support building on aarch64-pc-windows-msvc.</li>
</ul>
<h2>[0.2.12] - 2021-04-16</h2>
<h3>Added</h3>
<ul>
<li>Library link order now respects .pc file specification. Fixes broken linking that may have been observed with some ports.</li>
</ul>
<h2>[0.2.11] - 2020-12-10</h2>
<h3>Added</h3>
<ul>
<li><a href="https://github.com/perlmint"><code>@​perlmint</code></a> added support for using custom vcpkg triplets. Thanks!</li>
<li>add support for M1/aarch64-apple-darwin/arm64-osx</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a href="e7d37e095e"><code>e7d37e0</code></a> vcpkg-rs-0.2.15</li>
<li><a href="c62239774f"><code>c622397</code></a> Update changelog for vcpkg-rs-0.2.15</li>
<li><a href="ee1bd312fc"><code>ee1bd31</code></a> Merge pull request <a href="https://github-redirect.dependabot.com/mcgoo/vcpkg-rs/issues/39">#39</a> from remilauzier/master</li>
<li><a href="6393bd1f84"><code>6393bd1</code></a> Merge pull request <a href="https://github-redirect.dependabot.com/mcgoo/vcpkg-rs/issues/32">#32</a> from striezel-stash/fix-typos</li>
<li><a href="713efe4300"><code>713efe4</code></a> fix some typos</li>
<li><a href="b1817a34c4"><code>b1817a3</code></a> Fix enline encoding for unix platform</li>
<li><a href="ca530b0058"><code>ca530b0</code></a> vcpkg-rs-0.2.14</li>
<li><a href="9115f1e9ca"><code>9115f1e</code></a> Fix path to README.md</li>
<li><a href="5489c5b2d8"><code>5489c5b</code></a> Update CHANGELOG in prep for vcpkg-rs-0.2.14</li>
<li><a href="73285c5fc0"><code>73285c5</code></a> Merge pull request <a href="https://github-redirect.dependabot.com/mcgoo/vcpkg-rs/issues/38">#38</a> from waych/drop_cargo_vcpkg</li>
<li>Additional commits viewable in <a href="https://github.com/mcgoo/vcpkg-rs/compare/vcpkg-rs-0.2.10...vcpkg-rs-0.2.15">compare view</a></li>
</ul>
</details>
<br />

[![Dependabot compatibility score](https://dependabot-badges.githubapp.com/badges/compatibility_score?dependency-name=vcpkg&package-manager=cargo&previous-version=0.2.10&new-version=0.2.15)](https://docs.github.com/en/github/managing-security-vulnerabilities/about-dependabot-security-updates#about-compatibility-scores)

Dependabot will resolve any conflicts with this PR as long as you don't alter it yourself. You can also trigger a rebase manually by commenting `@dependabot rebase`.

[//]: # (dependabot-automerge-start)
[//]: # (dependabot-automerge-end)

---

<details>
<summary>Dependabot commands and options</summary>
<br />

You can trigger Dependabot actions by commenting on this PR:
- `@dependabot rebase` will rebase this PR
- `@dependabot recreate` will recreate this PR, overwriting any edits that have been made to it
- `@dependabot merge` will merge this PR after your CI passes on it
- `@dependabot squash and merge` will squash and merge this PR after your CI passes on it
- `@dependabot cancel merge` will cancel a previously requested merge and block automerging
- `@dependabot reopen` will reopen this PR if it is closed
- `@dependabot close` will close this PR and stop Dependabot recreating it. You can achieve the same result by closing it manually
- `@dependabot ignore this major version` will close this PR and stop Dependabot creating any more for this major version (unless you reopen the PR or upgrade to it yourself)
- `@dependabot ignore this minor version` will close this PR and stop Dependabot creating any more for this minor version (unless you reopen the PR or upgrade to it yourself)
- `@dependabot ignore this dependency` will close this PR and stop Dependabot creating any more for this dependency (unless you reopen the PR or upgrade to it yourself)

</details>

Cargo.lock

@@ -6992,9 +6992,9 @@ dependencies = [
 
 [[package]]
 name = "vcpkg"
-version = "0.2.10"
+version = "0.2.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6454029bf181f092ad1b853286f23e2c507d8e8194d01d92da4a55c274a5508c"
+checksum = "accd4ea62f7bb7a82fe23066fb0957d48ef677f6eeb8215f372f52e48bb32426"
 
 [[package]]
 name = "vec_map"