build: bump typenum from 1.19.0 to 1.20.0 (#44451)

Bumps [typenum](https://github.com/paholg/typenum) from 1.19.0 to
1.20.0.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/paholg/typenum/releases">typenum's
releases</a>.</em></p>
<blockquote>
<h2>v1.20.0</h2>
<h2>Commits</h2>
<ul>
<li>77b877d: remove deprecated features, replace build script with
pre-generated tests (<a
href="https://redirect.github.com/paholg/typenum/issues/237">#237</a>)
(Cathal) <a
href="https://redirect.github.com/paholg/typenum/pull/237">#237</a></li>
<li>4d5f26b: Add tuple operations (<a
href="https://redirect.github.com/paholg/typenum/issues/242">#242</a>)
(grenewode) <a
href="https://redirect.github.com/paholg/typenum/pull/242">#242</a></li>
<li>c755e2f: Version 1.20.0 (Paho Lurie-Gregg)</li>
</ul>
</blockquote>
</details>
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a
href="https://github.com/paholg/typenum/blob/main/CHANGELOG.md">typenum's
changelog</a>.</em></p>
<blockquote>
<h3>1.20.0 (2026-04-18)</h3>
<ul>
<li>[removed] Removed <code>no_std</code> feature flag (deprecated since
1.3.0)</li>
<li>[removed] Removed <code>force_unix_path_separator</code> feature
flag (deprecated since 1.17.0)</li>
<li>[changed] Replaced <code>build.rs</code> script with pre-generated
test files</li>
<li>[added] Indexing into tuples</li>
<li>[changed] MSRV now 1.41.0</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="c755e2fd5d"><code>c755e2f</code></a>
Version 1.20.0</li>
<li><a
href="4d5f26b629"><code>4d5f26b</code></a>
Add tuple operations (<a
href="https://redirect.github.com/paholg/typenum/issues/242">#242</a>)</li>
<li><a
href="77b877d567"><code>77b877d</code></a>
remove deprecated features, replace build script with pre-generated
tests (<a
href="https://redirect.github.com/paholg/typenum/issues/237">#237</a>)</li>
<li>See full diff in <a
href="https://github.com/paholg/typenum/compare/v1.19.0...v1.20.0">compare
view</a></li>
</ul>
</details>
<br />


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Cargo.lock

@@ -10255,9 +10255,9 @@ dependencies = [
 
 [[package]]
 name = "typenum"
-version = "1.19.0"
+version = "1.20.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "562d481066bde0658276a35467c4af00bdc6ee726305698a55b86e61d7ad82bb"
+checksum = "40ce102ab67701b8526c123c1bab5cbe42d7040ccfd0f64af1a385808d2f43de"
 
 [[package]]
 name = "uds_windows"