build(deps): Bump axum from 0.6.18 to 0.6.20 in /rust (#1863)

Bumps [axum](https://github.com/tokio-rs/axum) from 0.6.18 to 0.6.20.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/tokio-rs/axum/releases">axum's
releases</a>.</em></p>
<blockquote>
<h2>axum - v0.6.20</h2>
<ul>
<li><strong>added:</strong>
<code>WebSocketUpgrade::write_buffer_size</code> and
<code>WebSocketUpgrade::max_write_buffer_size</code></li>
<li><strong>changed:</strong> Deprecate
<code>WebSocketUpgrade::max_send_queue</code></li>
<li><strong>change:</strong> Update tokio-tungstenite to 0.20</li>
<li><strong>added:</strong> Implement <code>Handler</code> for <code>T:
IntoResponse</code> (<a
href="https://redirect.github.com/tokio-rs/axum/issues/2140">#2140</a>)</li>
</ul>
<p><a
href="https://redirect.github.com/tokio-rs/axum/issues/2140">#2140</a>:
<a
href="https://redirect.github.com/tokio-rs/axum/pull/2140">tokio-rs/axum#2140</a></p>
<h2>axum - v0.6.19</h2>
<ul>
<li><strong>added:</strong> Add
<code>axum::extract::Query::try_from_uri</code> (<a
href="https://redirect.github.com/tokio-rs/axum/issues/2058">#2058</a>)</li>
<li><strong>added:</strong> Implement <code>IntoResponse</code> for
<code>Box&lt;str&gt;</code> and <code>Box&lt;[u8]&gt;</code> (<a
href="https://redirect.github.com/tokio-rs/axum/issues/2035">#2035</a>)</li>
<li><strong>fixed:</strong> Fix bugs around merging routers with nested
fallbacks (<a
href="https://redirect.github.com/tokio-rs/axum/issues/2096">#2096</a>)</li>
<li><strong>fixed:</strong> Fix <code>.source()</code> of composite
rejections (<a
href="https://redirect.github.com/tokio-rs/axum/issues/2030">#2030</a>)</li>
<li><strong>fixed:</strong> Allow unreachable code in
<code>#[debug_handler]</code> (<a
href="https://redirect.github.com/tokio-rs/axum/issues/2014">#2014</a>)</li>
<li><strong>change:</strong> Update tokio-tungstenite to 0.19 (<a
href="https://redirect.github.com/tokio-rs/axum/issues/2021">#2021</a>)</li>
<li><strong>change:</strong> axum's MSRV is now 1.63 (<a
href="https://redirect.github.com/tokio-rs/axum/issues/2021">#2021</a>)</li>
</ul>
<p><a
href="https://redirect.github.com/tokio-rs/axum/issues/2014">#2014</a>:
<a
href="https://redirect.github.com/tokio-rs/axum/pull/2014">tokio-rs/axum#2014</a>
<a
href="https://redirect.github.com/tokio-rs/axum/issues/2021">#2021</a>:
<a
href="https://redirect.github.com/tokio-rs/axum/pull/2021">tokio-rs/axum#2021</a>
<a
href="https://redirect.github.com/tokio-rs/axum/issues/2030">#2030</a>:
<a
href="https://redirect.github.com/tokio-rs/axum/pull/2030">tokio-rs/axum#2030</a>
<a
href="https://redirect.github.com/tokio-rs/axum/issues/2035">#2035</a>:
<a
href="https://redirect.github.com/tokio-rs/axum/pull/2035">tokio-rs/axum#2035</a>
<a
href="https://redirect.github.com/tokio-rs/axum/issues/2058">#2058</a>:
<a
href="https://redirect.github.com/tokio-rs/axum/pull/2058">tokio-rs/axum#2058</a>
<a
href="https://redirect.github.com/tokio-rs/axum/issues/2096">#2096</a>:
<a
href="https://redirect.github.com/tokio-rs/axum/pull/2096">tokio-rs/axum#2096</a></p>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="3b92cd7593"><code>3b92cd7</code></a>
Release axum and axum-extra (<a
href="https://redirect.github.com/tokio-rs/axum/issues/2145">#2145</a>)</li>
<li><a
href="68333b2fcf"><code>68333b2</code></a>
Backport changes from main to v0.6.x (<a
href="https://redirect.github.com/tokio-rs/axum/issues/2141">#2141</a>)</li>
<li><a
href="a25ed293d7"><code>a25ed29</code></a>
axum-extra 0.7.6 (<a
href="https://redirect.github.com/tokio-rs/axum/issues/2139">#2139</a>)</li>
<li><a
href="990cbb8126"><code>990cbb8</code></a>
Update tokio-tungstenite 0.20 (<a
href="https://redirect.github.com/tokio-rs/axum/issues/2123">#2123</a>)</li>
<li><a
href="a2916318dd"><code>a291631</code></a>
axum-extra: Remove unused tower-http dependency (<a
href="https://redirect.github.com/tokio-rs/axum/issues/2135">#2135</a>)</li>
<li><a
href="67f6494383"><code>67f6494</code></a>
Release axum 0.6.19 (<a
href="https://redirect.github.com/tokio-rs/axum/issues/2102">#2102</a>)</li>
<li><a
href="2d4bd9e853"><code>2d4bd9e</code></a>
Update to latest sqlx in example (<a
href="https://redirect.github.com/tokio-rs/axum/issues/2099">#2099</a>)</li>
<li><a
href="e881bf0aec"><code>e881bf0</code></a>
Update UI tests</li>
<li><a
href="5d9f41edf3"><code>5d9f41e</code></a>
Fix deny.toml</li>
<li><a
href="19ddc12e4e"><code>19ddc12</code></a>
Remove sessions example</li>
<li>Additional commits viewable in <a
href="https://github.com/tokio-rs/axum/compare/axum-v0.6.18...axum-v0.6.20">compare
view</a></li>
</ul>
</details>
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rust/Cargo.lock

@@ -319,9 +319,9 @@ checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"
 
 [[package]]
 name = "axum"
-version = "0.6.18"
+version = "0.6.20"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f8175979259124331c1d7bf6586ee7e0da434155e4b2d48ec2c8386281d8df39"
+checksum = "3b829e4e32b91e643de6eafe82b1d90675f5874230191a4ffbc1b336dec4d6bf"
 dependencies = [
  "async-trait",
  "axum-core",

rust/relay/Cargo.toml

@@ -31,7 +31,7 @@ serde = { version = "1.0.183", features = ["derive"] }
 trackable = "1.3.0"
 socket2 = "0.5.3"
 prometheus-client = "0.21.1"
-axum = { version = "0.6.18", default-features = false, features = ["http1", "tokio"] }
+axum = { version = "0.6.20", default-features = false, features = ["http1", "tokio"] }
 
 [dev-dependencies]
 webrtc = { version = "0.8" }