Bump thiserror from 1.0.44 to 1.0.47 (#2730)

Bumps [thiserror](https://github.com/dtolnay/thiserror) from 1.0.44 to
1.0.47.
<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>1.0.47</h2>
<ul>
<li>Work around rust-analyzer bug (<a
href="https://github.com/rust-lang/rust-analyzer/issues/9911">rust-lang/rust-analyzer#9911</a>)</li>
</ul>
<h2>1.0.46</h2>
<ul>
<li>Add bootstrap workaround to allow rustc to depend on thiserror (<a
href="https://github.com/dtolnay/thiserror/issues/248">#248</a>,
thanks <a
href="https://github.com/RalfJung"><code>@​RalfJung</code></a>)</li>
</ul>
<h2>1.0.45</h2>
<ul>
<li>Update backtrace support to nightly's new Error::provide API (<a
href="https://github.com/rust-lang/rust/pull/113464">rust-lang/rust#113464</a>,
<a
href="https://github.com/dtolnay/thiserror/issues/246">#246</a>)</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/dtolnay/thiserror/commit/0495eaa802c73454ed6969fa1a3520db635bb901"><code>0495eaa</code></a>
Release 1.0.47</li>
<li><a
href="https://github.com/dtolnay/thiserror/commit/2d9425c374df3d14eff80674bf5c7054dde140d8"><code>2d9425c</code></a>
Work around ridiculous rust-analyzer behavior</li>
<li><a
href="https://github.com/dtolnay/thiserror/commit/5ada5d5198d1f616d296c8dcbbbeef88f1118ab1"><code>5ada5d5</code></a>
Release 1.0.46</li>
<li><a
href="https://github.com/dtolnay/thiserror/commit/f51271a0d52c0914c5df8317fc4bbbcf29f4d999"><code>f51271a</code></a>
Reword bootstrap comment</li>
<li><a
href="https://github.com/dtolnay/thiserror/commit/1f02cdfcdd44c1328be2438c7d7de76190ec8951"><code>1f02cdf</code></a>
Merge pull request <a
href="https://github.com/dtolnay/thiserror/issues/248">#248</a>
from RalfJung/bootstrap</li>
<li><a
href="https://github.com/dtolnay/thiserror/commit/fa637828ae20d13b65f5801b6b77f3d2148db9ea"><code>fa63782</code></a>
don't run build probes in rustc bootstrap</li>
<li><a
href="https://github.com/dtolnay/thiserror/commit/2fd79cd52a007deaf6bf2e106d41c9b69588e609"><code>2fd79cd</code></a>
Merge pull request <a
href="https://github.com/dtolnay/thiserror/issues/247">#247</a>
from dtolnay/errorprovide</li>
<li><a
href="https://github.com/dtolnay/thiserror/commit/78e0ffed90fd1ced136cf527f4caf00c89d89e7f"><code>78e0ffe</code></a>
Pull in anyhow's new Error::provide support</li>
<li><a
href="https://github.com/dtolnay/thiserror/commit/06f189583213cf2bce239af2f7e24c921c58bc8e"><code>06f1895</code></a>
Release 1.0.45</li>
<li><a
href="https://github.com/dtolnay/thiserror/commit/a11330f7fb9b502fa46672d0c548e838134eb555"><code>a11330f</code></a>
Merge pull request <a
href="https://github.com/dtolnay/thiserror/issues/246">#246</a>
from dtolnay/errorprovide</li>
<li>Additional commits viewable in <a
href="https://github.com/dtolnay/thiserror/compare/1.0.44...1.0.47">compare
view</a></li>
</ul>
</details>
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