chore(deps): Bump rustls from 0.23.19 to 0.23.20 (#1618)

Bumps [rustls](https://github.com/rustls/rustls) from 0.23.19 to
0.23.20.
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/rustls/rustls/commit/b4628c7b6123831eea97c0fcb1a1475e40f5c345"><code>b4628c7</code></a>
rustls-post-quantum: revert version to 0.2.0</li>
<li><a
href="https://github.com/rustls/rustls/commit/24d08f3ad5e5f5157bd25e3def84fa188a525259"><code>24d08f3</code></a>
rustls-post-quantum: adjust head doc</li>
<li><a
href="https://github.com/rustls/rustls/commit/179592f2499a48ff66dc291a1b9ce190344ac477"><code>179592f</code></a>
verifybench.rs: nightly fmt</li>
<li><a
href="https://github.com/rustls/rustls/commit/ef3fc2197387ccf2d163a2fd5ab5dcc7b92a30ea"><code>ef3fc21</code></a>
nit: remove trailing space from doc comments</li>
<li><a
href="https://github.com/rustls/rustls/commit/00a3ddb948e42012d58e81fcf65625b1391a6bea"><code>00a3ddb</code></a>
fix rustls-provider-example hpke no-std support</li>
<li><a
href="https://github.com/rustls/rustls/commit/2f74c3d3d0e195bceea2100d90c6b3fa876aafe5"><code>2f74c3d</code></a>
server: remove ClientHello constructor</li>
<li><a
href="https://github.com/rustls/rustls/commit/3ba5167630c410782b2bf2625093dcd48d838883"><code>3ba5167</code></a>
ci: adjust ech-client daily tests</li>
<li><a
href="https://github.com/rustls/rustls/commit/f5aeb39cd95d86223c8c8d8c006311e0da36b4cf"><code>f5aeb39</code></a>
examples: use inner hostname in HTTPS DNS query</li>
<li><a
href="https://github.com/rustls/rustls/commit/e232bcae61cb1e108960673d828ac9d05224c881"><code>e232bca</code></a>
openssl-tests: install openssl from source</li>
<li><a
href="https://github.com/rustls/rustls/commit/43cbebb80de6c825284479f06ccbf5fdb0ad1b64"><code>43cbebb</code></a>
unbuffered: add regression tests for fragmented handshakes</li>
<li>Additional commits viewable in <a
href="https://github.com/rustls/rustls/compare/v/0.23.19...v/0.23.20">compare
view</a></li>
</ul>
</details>
<br />


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</details>

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Cargo.toml

@@ -66,7 +66,7 @@ pprof = { version = "0.13", features = ["flamegraph", "criterion"] }
 pretty_assertions = "1"
 regex = "1"
 rstest = "0.23"
-rustls = "0.23.19"
+rustls = "0.23.20"
 # ring feature does not require NASM windows executable, but works slower
 #rustls = { version = "0.23", default-features = false, features = ["logging", "std", "tls12", "ring"] }
 rustls-native-certs = "0.8"