Bump tests/perf/s2n-quic from b8f8cca to 8715fdf (#4209)

Bumps [tests/perf/s2n-quic](https://github.com/aws/s2n-quic) from
`b8f8cca` to `8715fdf`.
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/aws/s2n-quic/commit/8715fdffdd33f8fdc89000831eb99a9b0c261276"><code>8715fdf</code></a>
build(deps): update indicatif requirement from 0.17 to 0.18 (<a
href="https://redirect.github.com/aws/s2n-quic/issues/2696">#2696</a>)</li>
<li><a
href="https://github.com/aws/s2n-quic/commit/3b3997163bb30834a2b3c2628ab59d638537c97f"><code>3b39971</code></a>
build(deps): update lru requirement from 0.15 to 0.16 (<a
href="https://redirect.github.com/aws/s2n-quic/issues/2693">#2693</a>)</li>
<li><a
href="https://github.com/aws/s2n-quic/commit/1ff931d1bac036f0c5c499092f981bb311b9c113"><code>1ff931d</code></a>
ci(fix): resolve flakiness in upd::fuzz_test (<a
href="https://redirect.github.com/aws/s2n-quic/issues/2689">#2689</a>)</li>
<li><a
href="https://github.com/aws/s2n-quic/commit/2a24e620c0c22d79fe4e0938584f40717db51bce"><code>2a24e62</code></a>
chore(release): v1.61.0 release (<a
href="https://redirect.github.com/aws/s2n-quic/issues/2690">#2690</a>)</li>
<li>See full diff in <a
href="https://github.com/aws/s2n-quic/compare/b8f8cca2612490ca54613f4bb2522828d2e42f9f...8715fdffdd33f8fdc89000831eb99a9b0c261276">compare
view</a></li>
</ul>
</details>
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