chore(deps): Bump thiserror from 1.0.63 to 1.0.64 (#621)

Bumps [thiserror](https://github.com/dtolnay/thiserror) from 1.0.63 to
1.0.64.
<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>1.0.64</h2>
<ul>
<li>Exclude derived impls from coverage instrumentation (<a
href="https://redirect.github.com/dtolnay/thiserror/issues/322">#322</a>,
thanks <a
href="https://github.com/oxalica"><code>@​oxalica</code></a>)</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/dtolnay/thiserror/commit/84484bc75c20d63ec63299354b463407f3d59f68"><code>84484bc</code></a>
Release 1.0.64</li>
<li><a
href="https://github.com/dtolnay/thiserror/commit/023f036de4515542d0c55aa5c580bc9352a077d1"><code>023f036</code></a>
Merge pull request <a
href="https://redirect.github.com/dtolnay/thiserror/issues/322">#322</a>
from oxalica/feat/mark-auto-derived</li>
<li><a
href="https://github.com/dtolnay/thiserror/commit/ae1f47e3e5d6705b6b12997bd036fd97303d71d7"><code>ae1f47e</code></a>
Mark #[automatically_derived] for generated impls</li>
<li><a
href="https://github.com/dtolnay/thiserror/commit/ab5b5e375b26971850b134abc7bbfe8a67da0fe3"><code>ab5b5e3</code></a>
Upload CI Cargo.lock for reproducing failures</li>
<li><a
href="https://github.com/dtolnay/thiserror/commit/00b3c1405e5df26f9c6408e5fd43f52fa12e8e07"><code>00b3c14</code></a>
Work around new dead code warning in test</li>
<li>See full diff in <a
href="https://github.com/dtolnay/thiserror/compare/1.0.63...1.0.64">compare
view</a></li>
</ul>
</details>
<br />


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