[chore(cargo)](deps): Bump tokio-tungstenite from 0.20.1 to 0.21.0 (#504

)

Bumps [tokio-tungstenite](https://github.com/snapview/tokio-tungstenite)
from 0.20.1 to 0.21.0.
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a
href="https://github.com/snapview/tokio-tungstenite/blob/master/CHANGELOG.md">tokio-tungstenite's
changelog</a>.</em></p>
<blockquote>
<h1>0.21.0</h1>
<ul>
<li>Update TLS dependencies.</li>
<li>Update <code>tungstenite</code> to <code>0.21.0</code>.</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/snapview/tokio-tungstenite/commit/52e59dd732715139d3ef1ed9ee00321bae85de93"><code>52e59dd</code></a>
Release version 0.21.0</li>
<li><a
href="https://github.com/snapview/tokio-tungstenite/commit/7b2cf20a101c834513d1b2345de2afc48b28ec8d"><code>7b2cf20</code></a>
Update <code>rustls</code> to 0.22 and <code>tokio-rustls</code> to
0.25</li>
<li><a
href="https://github.com/snapview/tokio-tungstenite/commit/ecf7a7ebae6244f2f076e8eecd5ea7ea0c88816e"><code>ecf7a7e</code></a>
Update <code>webpki-roots</code> to 0.26</li>
<li>See full diff in <a
href="https://github.com/snapview/tokio-tungstenite/compare/v0.20.1...v0.21.0">compare
view</a></li>
</ul>
</details>
<br />


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homestar-runtime/Cargo.toml

@@ -208,7 +208,7 @@ rm_rf = "0.6"
 strip-ansi-escapes = "0.2.0"
 sysinfo = { version = "0.29", default-features = false }
 tokio-test = "0.4"
-tokio-tungstenite = { version = "0.20", default-features = false, features = [
+tokio-tungstenite = { version = "0.21", default-features = false, features = [
  "connect",
 ] }
 wait-timeout = "0.2"