Update thiserror requirement from 1.0 to 2.0 (#16346)

Updates the requirements on
[thiserror](https://github.com/dtolnay/thiserror) to permit the latest
version.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/dtolnay/thiserror/releases">thiserror's
releases</a>.</em></p>
<blockquote>
<h2>2.0.3</h2>
<ul>
<li>Support the same Path field being repeated in both Debug and Display
representation in error message (<a
href="https://redirect.github.com/dtolnay/thiserror/issues/383">#383</a>)</li>
<li>Improve error message when a format trait used in error message is
not implemented by some field (<a
href="https://redirect.github.com/dtolnay/thiserror/issues/384">#384</a>)</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/dtolnay/thiserror/commit/15fd26e476c5c7a2e7dc13209689c747b1db82a5"><code>15fd26e</code></a>
Release 2.0.3</li>
<li><a
href="https://github.com/dtolnay/thiserror/commit/70460231305d82ae9a7a60424cc4d0d22d0b6e77"><code>7046023</code></a>
Simplify how has_bonus_display is accumulated</li>
<li><a
href="https://github.com/dtolnay/thiserror/commit/9cc1d0b2514105759995dfd3c7bc4de1f0f9195b"><code>9cc1d0b</code></a>
Merge pull request <a
href="https://redirect.github.com/dtolnay/thiserror/issues/384">#384</a>
from dtolnay/nowrap</li>
<li><a
href="https://github.com/dtolnay/thiserror/commit/1d040f358a34d58139f1e1c12cec575319f16edf"><code>1d040f3</code></a>
Use Var wrapper only for Pointer formatting</li>
<li><a
href="https://github.com/dtolnay/thiserror/commit/6a6132d79bee8baf89ea0896ec6dadc3ad6b388b"><code>6a6132d</code></a>
Extend no-display ui test to cover another fmt trait</li>
<li><a
href="https://github.com/dtolnay/thiserror/commit/a061beb9dc871144239dc3489dc012f39e13847c"><code>a061beb</code></a>
Merge pull request <a
href="https://redirect.github.com/dtolnay/thiserror/issues/383">#383</a>
from dtolnay/both</li>
<li><a
href="https://github.com/dtolnay/thiserror/commit/63882935be42fbd89e7076392a4d5330e2120332"><code>6388293</code></a>
Support Display and Debug of same path in error message</li>
<li><a
href="https://github.com/dtolnay/thiserror/commit/dc0359eeecf778da2038805431c61010e7aa957e"><code>dc0359e</code></a>
Defer binding_value construction</li>
<li><a
href="https://github.com/dtolnay/thiserror/commit/520343e37d890e0a4b0c6e1427e8164c43ce1c7d"><code>520343e</code></a>
Add test of Debug and Display of paths</li>
<li><a
href="https://github.com/dtolnay/thiserror/commit/49be39dee10d7fce1d4b2f7f6b6010f2b309794e"><code>49be39d</code></a>
Release 2.0.2</li>
<li>Additional commits viewable in <a
href="https://github.com/dtolnay/thiserror/compare/1.0.0...2.0.3">compare
view</a></li>
</ul>
</details>
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Cargo.toml

@@ -481,7 +481,7 @@ futures-lite = "2.0.1"
 async-std = "1.13"
 crossbeam-channel = "0.5.0"
 argh = "0.1.12"
-thiserror = "1.0"
+thiserror = "2.0"
 event-listener = "5.3.0"
 hyper = { version = "1", features = ["server", "http1"] }
 http-body-util = "0.1"