chore(deps): bump indexmap from 2.12.1 to 2.13.0 (#19747)

Bumps [indexmap](https://github.com/indexmap-rs/indexmap) from 2.12.1 to
2.13.0.
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a
href="https://github.com/indexmap-rs/indexmap/blob/main/RELEASES.md">indexmap's
changelog</a>.</em></p>
<blockquote>
<h2>2.13.0 (2026-01-07)</h2>
<ul>
<li>Implemented <code>Clone</code> for <code>IntoKeys</code> and
<code>IntoValues</code>.</li>
<li>Added <code>map::Slice::split_at_checked</code> and
<code>split_at_mut_checked</code>.</li>
<li>Added <code>set::Slice::split_at_checked</code>.</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/indexmap-rs/indexmap/commit/a4aba99f09636ad727d934d367f701c965367cc3"><code>a4aba99</code></a>
Merge pull request <a
href="https://redirect.github.com/indexmap-rs/indexmap/issues/431">#431</a>
from cuviper/release-2.13.0</li>
<li><a
href="https://github.com/indexmap-rs/indexmap/commit/e345f3a7ba6064f34d6c9ac367cb878c21dd2ffd"><code>e345f3a</code></a>
Release 2.13.0</li>
<li><a
href="https://github.com/indexmap-rs/indexmap/commit/e6b677b4ce0f35d127da24b1b4553aa7a7bc3fb1"><code>e6b677b</code></a>
Merge pull request <a
href="https://redirect.github.com/indexmap-rs/indexmap/issues/430">#430</a>
from cuviper/split_at_checked</li>
<li><a
href="https://github.com/indexmap-rs/indexmap/commit/61c9d534e1dfbbd3b248f10b982dcf6f7f89613d"><code>61c9d53</code></a>
Add <code>Slice::split_at_checked</code> and
<code>split_at_mut_checked</code></li>
<li><a
href="https://github.com/indexmap-rs/indexmap/commit/8b8d35076238f1c06ea522efaf73be9154ca72d5"><code>8b8d350</code></a>
Merge pull request <a
href="https://redirect.github.com/indexmap-rs/indexmap/issues/426">#426</a>
from cuviper/clone-intokv</li>
<li><a
href="https://github.com/indexmap-rs/indexmap/commit/88efd0cadd7cdab8624bbbaeac66fba14701472e"><code>88efd0c</code></a>
<code>impl Clone for IntoKeys</code> and <code>IntoValues</code></li>
<li><a
href="https://github.com/indexmap-rs/indexmap/commit/3b6d04bab36739744c78f91ce717b1f9344bae9a"><code>3b6d04b</code></a>
Merge pull request <a
href="https://redirect.github.com/indexmap-rs/indexmap/issues/425">#425</a>
from cuviper/inner-core</li>
<li><a
href="https://github.com/indexmap-rs/indexmap/commit/eb30eb112bdea0eb344a508aeda58359db8696c8"><code>eb30eb1</code></a>
Move crate::map::core to crate::inner</li>
<li>See full diff in <a
href="https://github.com/indexmap-rs/indexmap/compare/2.12.1...2.13.0">compare
view</a></li>
</ul>
</details>
<br />


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Cargo.lock

@@ -158,7 +158,7 @@ glob = "0.3.0"
 half = { version = "2.7.0", default-features = false }
 hashbrown = { version = "0.16.1" }
 hex = { version = "0.4.3" }
-indexmap = "2.12.1"
+indexmap = "2.13.0"
 insta = { version = "1.46.0", features = ["glob", "filters"] }
 itertools = "0.14"
 liblzma = { version = "0.4.4", features = ["static"] }