build(deps): bump unsigned-varint from 0.7.2 to 0.8.0 (#120)

Bumps [unsigned-varint](https://github.com/paritytech/unsigned-varint)
from 0.7.2 to 0.8.0.
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a
href="https://github.com/paritytech/unsigned-varint/blob/master/CHANGELOG.md">unsigned-varint's
changelog</a>.</em></p>
<blockquote>
<h1>0.8.0 - [2023-11-01]</h1>
<ul>
<li>Update <code>asynchronous-codec</code> to <code>0.7</code> (<a
href="https://redirect.github.com/paritytech/unsigned-varint/issues/71">#71</a>)</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/paritytech/unsigned-varint/commit/10d55e5dbdd7f61b6495bd12a49d06df82e08612"><code>10d55e5</code></a>
Merge pull request <a
href="https://redirect.github.com/paritytech/unsigned-varint/issues/72">#72</a>
from paritytech/prepare-v0.8.0</li>
<li><a
href="https://github.com/paritytech/unsigned-varint/commit/a31821a18adcfbce4c578bfd94914394561aac90"><code>a31821a</code></a>
Prepare v0.8.0</li>
<li><a
href="https://github.com/paritytech/unsigned-varint/commit/1020ddb814a327da684002a2cf66be8c14294c6d"><code>1020ddb</code></a>
Merge pull request <a
href="https://redirect.github.com/paritytech/unsigned-varint/issues/71">#71</a>
from thomaseizinger/bump-async-codec</li>
<li><a
href="https://github.com/paritytech/unsigned-varint/commit/75575c98e0af32f6f71161d104a83477e5fd9702"><code>75575c9</code></a>
Update CHANGELOG.md</li>
<li><a
href="https://github.com/paritytech/unsigned-varint/commit/a91de02914fe9e47d8be615b02f9ca1d8157c387"><code>a91de02</code></a>
Update CHANGELOG.md</li>
<li><a
href="https://github.com/paritytech/unsigned-varint/commit/6c0192757fc30f70078e5aa2cf8b41d673b29a09"><code>6c01927</code></a>
Update changelog</li>
<li><a
href="https://github.com/paritytech/unsigned-varint/commit/104b1a81558320a354f9e7a29fe16d3f67d66751"><code>104b1a8</code></a>
Bump dependency</li>
<li>See full diff in <a
href="https://github.com/paritytech/unsigned-varint/compare/v0.7.2...v0.8.0">compare
view</a></li>
</ul>
</details>
<br />


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Cargo.toml

@@ -45,7 +45,7 @@ tokio = { version = "1.26.0", features = ["rt", "net", "io-util", "time", "macro
 tracing = { version = "0.1.40", features = ["log"] }
 trust-dns-resolver = "0.23.2"
 uint = "0.9.5"
-unsigned-varint = { version = "0.7.2", features = ["codec"] }
+unsigned-varint = { version = "0.8.0", features = ["codec"] }
 url = "2.4.0"
 webpki = "0.22.4"
 x25519-dalek = "2.0.0"