Bump thiserror from 2.0.7 to 2.0.8 (#3448)

Bumps [thiserror](https://github.com/dtolnay/thiserror) from 2.0.7 to
2.0.8.
<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>2.0.8</h2>
<ul>
<li>Improve support for macro-generated <code>derive(Error)</code> call
sites (<a
href="https://redirect.github.com/dtolnay/thiserror/issues/399">#399</a>)</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/dtolnay/thiserror/commit/2bd29821f4ea339c60edfcf4734499d68128eb2e"><code>2bd2982</code></a>
Release 2.0.8</li>
<li><a
href="https://github.com/dtolnay/thiserror/commit/a7de3ab22d01922e050aad4202d71a4bfb577598"><code>a7de3ab</code></a>
Merge pull request <a
href="https://redirect.github.com/dtolnay/thiserror/issues/399">#399</a>
from dtolnay/respan</li>
<li><a
href="https://github.com/dtolnay/thiserror/commit/f1243a0ceb1c596f808c8df8d1240ed301135a1b"><code>f1243a0</code></a>
Fix spans on macro-generated bindings and format variables</li>
<li><a
href="https://github.com/dtolnay/thiserror/commit/6a07345135802344616a09584c94e2f4bbceb466"><code>6a07345</code></a>
Add regression test for issue 398</li>
<li>See full diff in <a
href="https://github.com/dtolnay/thiserror/compare/2.0.7...2.0.8">compare
view</a></li>
</ul>
</details>
<br />


[![Dependabot compatibility
score](https://dependabot-badges.githubapp.com/badges/compatibility_score?dependency-name=thiserror&package-manager=cargo&previous-version=2.0.7&new-version=2.0.8)](https://docs.github.com/en/github/managing-security-vulnerabilities/about-dependabot-security-updates#about-compatibility-scores)

Dependabot will resolve any conflicts with this PR as long as you don't
alter it yourself. You can also trigger a rebase manually by commenting
`@dependabot rebase`.

[//]: # (dependabot-automerge-start)
[//]: # (dependabot-automerge-end)

---

<details>
<summary>Dependabot commands and options</summary>
<br />

You can trigger Dependabot actions by commenting on this PR:
- `@dependabot rebase` will rebase this PR
- `@dependabot recreate` will recreate this PR, overwriting any edits
that have been made to it
- `@dependabot merge` will merge this PR after your CI passes on it
- `@dependabot squash and merge` will squash and merge this PR after
your CI passes on it
- `@dependabot cancel merge` will cancel a previously requested merge
and block automerging
- `@dependabot reopen` will reopen this PR if it is closed
- `@dependabot close` will close this PR and stop Dependabot recreating
it. You can achieve the same result by closing it manually
- `@dependabot show <dependency name> ignore conditions` will show all
of the ignore conditions of the specified dependency
- `@dependabot ignore this major version` will close this PR and stop
Dependabot creating any more for this major version (unless you reopen
the PR or upgrade to it yourself)
- `@dependabot ignore this minor version` will close this PR and stop
Dependabot creating any more for this minor version (unless you reopen
the PR or upgrade to it yourself)
- `@dependabot ignore this dependency` will close this PR and stop
Dependabot creating any more for this dependency (unless you reopen the
PR or upgrade to it yourself)


</details>

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