Auto merge of #26797 - servo:dependabot/cargo/openssl-0.10.29, r=jdm

build(deps): bump openssl from 0.10.26 to 0.10.29

Bumps [openssl](https://github.com/sfackler/rust-openssl) from 0.10.26 to 0.10.29.
<details>
<summary>Commits</summary>
<ul>
<li><a href="https://github.com/sfackler/rust-openssl/commit/d47dc792ce679b7102bb2faa4b9086415d62b404"><code>d47dc79</code></a> Release openssl v0.10.29</li>
<li><a href="https://github.com/sfackler/rust-openssl/commit/adde92879fa123f36a2e07d80e1bf457fe7ff364"><code>adde928</code></a> Release openssl-sys v0.9.55</li>
<li><a href="https://github.com/sfackler/rust-openssl/commit/847eeb16cb3b449560fea8f1e071c77049109513"><code>847eeb1</code></a> Merge pull request <a href="https://github-redirect.dependabot.com/sfackler/rust-openssl/issues/1257">#1257</a> from sfackler/set-cert-store</li>
<li><a href="https://github.com/sfackler/rust-openssl/commit/1ed175f85f01726bd129b0d879b1c837c21552de"><code>1ed175f</code></a> FIx build</li>
<li><a href="https://github.com/sfackler/rust-openssl/commit/df03bbf5b80f17f3e01d0be57cd98e4237fa22b0"><code>df03bbf</code></a> Deal with upstream archive location change</li>
<li><a href="https://github.com/sfackler/rust-openssl/commit/40e66bab6b532e3a0e496eaa74c4553b051037a9"><code>40e66ba</code></a> Add SslContextBuilder::set_cert_store</li>
<li><a href="https://github.com/sfackler/rust-openssl/commit/b027f1603189919d5f63c6aff483243aaa188568"><code>b027f16</code></a> Merge pull request <a href="https://github-redirect.dependabot.com/sfackler/rust-openssl/issues/1253">#1253</a> from coolreader18/no-vendor-env-var</li>
<li><a href="https://github.com/sfackler/rust-openssl/commit/9c8e7cdd2303b4985cc4bf91ad9053b97f406192"><code>9c8e7cd</code></a> Bump CI version</li>
<li><a href="https://github.com/sfackler/rust-openssl/commit/517fc81d4053537188232fdef7329e9f2a95d28e"><code>517fc81</code></a> Update openssl/src/lib.rs</li>
<li><a href="https://github.com/sfackler/rust-openssl/commit/d6772960a3611892f09fb2e84cb194e60abb9f04"><code>d677296</code></a> Add documentation for OPENSSL_NO_VENDOR</li>
<li>Additional commits viewable in <a href="https://github.com/sfackler/rust-openssl/compare/openssl-v0.10.26...openssl-v0.10.29">compare view</a></li>
</ul>
</details>
<br />

[![Dependabot compatibility score](https://api.dependabot.com/badges/compatibility_score?dependency-name=openssl&package-manager=cargo&previous-version=0.10.26&new-version=0.10.29)](https://dependabot.com/compatibility-score/?dependency-name=openssl&package-manager=cargo&previous-version=0.10.26&new-version=0.10.29)

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