[cargo] Bump the non-major-dependencies group with 2 updates (#1175)

Bumps the non-major-dependencies group with 2 updates:
[indexmap](https://github.com/indexmap-rs/indexmap) and
[syn](https://github.com/dtolnay/syn).

Updates `indexmap` from 2.6.0 to 2.7.0
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a
href="https://github.com/indexmap-rs/indexmap/blob/master/RELEASES.md">indexmap's
changelog</a>.</em></p>
<blockquote>
<h2>2.7.0 (2024-11-30)</h2>
<ul>
<li>Added methods <code>Entry::insert_entry</code> and
<code>VacantEntry::insert_entry</code>, returning
an <code>OccupiedEntry</code> after insertion.</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/indexmap-rs/indexmap/commit/539b40115139a0394a3b84386c133810655051d2"><code>539b401</code></a>
Merge pull request <a
href="https://redirect.github.com/indexmap-rs/indexmap/issues/361">#361</a>
from cuviper/insert_entry</li>
<li><a
href="https://github.com/indexmap-rs/indexmap/commit/998edb12fea0744828fd553a00d474b441f711bf"><code>998edb1</code></a>
Release 2.7.0</li>
<li><a
href="https://github.com/indexmap-rs/indexmap/commit/2a0ca974171768d3bfb388e1f7963bed0078c7c6"><code>2a0ca97</code></a>
Add <code>{Entry,VacantEntry}::insert_entry</code></li>
<li><a
href="https://github.com/indexmap-rs/indexmap/commit/dceb0f059864129e4bc10dca1a1110eee334c2bf"><code>dceb0f0</code></a>
Merge pull request <a
href="https://redirect.github.com/indexmap-rs/indexmap/issues/360">#360</a>
from cuviper/collect_vec_list</li>
<li><a
href="https://github.com/indexmap-rs/indexmap/commit/c095322249f85d36d46c2a8d4808f3e1c70ddb08"><code>c095322</code></a>
ci: downgrade hashbrown for 1.63</li>
<li><a
href="https://github.com/indexmap-rs/indexmap/commit/7d8cef8b4bd8f9295de4fd53317946a543b2b089"><code>7d8cef8</code></a>
Use rayon-1.9.0's <code>collect_vec_list</code></li>
<li>See full diff in <a
href="https://github.com/indexmap-rs/indexmap/compare/2.6.0...2.7.0">compare
view</a></li>
</ul>
</details>
<br />

Updates `syn` from 2.0.89 to 2.0.90
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/dtolnay/syn/releases">syn's
releases</a>.</em></p>
<blockquote>
<h2>2.0.90</h2>
<ul>
<li>Fix automatic parenthesization of subexpressions containing outer
attributes, such as <code>(#[attr] thing).field</code> (<a
href="https://redirect.github.com/dtolnay/syn/issues/1785">#1785</a>)</li>
<li>Fix automatic parenthesization of function calls via a struct field,
such as <code>(thing.field)()</code> and <code>thing.0()</code> (<a
href="https://redirect.github.com/dtolnay/syn/issues/1786">#1786</a>)</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/dtolnay/syn/commit/ac5b41c852137c3d147202e3e6b2666c924cb87c"><code>ac5b41c</code></a>
Release 2.0.90</li>
<li><a
href="https://github.com/dtolnay/syn/commit/9037abbef06593189ca65f48b884a2704c2ccbb1"><code>9037abb</code></a>
Merge pull request <a
href="https://redirect.github.com/dtolnay/syn/issues/1787">#1787</a>
from dtolnay/unparenthesizetest</li>
<li><a
href="https://github.com/dtolnay/syn/commit/1a549c077232951c8f7f87d168f67a5c36b2c83f"><code>1a549c0</code></a>
Improve test_unparenthesize to catch more false negatives</li>
<li><a
href="https://github.com/dtolnay/syn/commit/f9aa20671b57932f3d61a01b4da0e99835388b1c"><code>f9aa206</code></a>
Merge pull request <a
href="https://redirect.github.com/dtolnay/syn/issues/1786">#1786</a>
from dtolnay/fieldcall</li>
<li><a
href="https://github.com/dtolnay/syn/commit/1445ccf5866dadeabcbd05f4d1bd3543298c1e2d"><code>1445ccf</code></a>
Do not parenthesize unnamed tuple struct fields in call</li>
<li><a
href="https://github.com/dtolnay/syn/commit/48d0101557047df08ca7859ab8c5eae9cb6c0805"><code>48d0101</code></a>
Fix parenthesization of field expressions in function calls</li>
<li><a
href="https://github.com/dtolnay/syn/commit/0e5c5686503d7ef41b344c2464e35e6329ed75f1"><code>0e5c568</code></a>
Add test of parentheses needed in call of field</li>
<li><a
href="https://github.com/dtolnay/syn/commit/1cf735ef91f64650f2a11e43d2ca327925b1776c"><code>1cf735e</code></a>
Merge pull request <a
href="https://redirect.github.com/dtolnay/syn/issues/1785">#1785</a>
from dtolnay/attrprecedence</li>
<li><a
href="https://github.com/dtolnay/syn/commit/204c1556e49c4c01f11481977d6deb9f1de36a15"><code>204c155</code></a>
Lower precedence of expressions containing outer attrs</li>
<li><a
href="https://github.com/dtolnay/syn/commit/401399fbb6225caa75b2008daaa9dc284a268076"><code>401399f</code></a>
Add test of attr precedence inside subexpression</li>
<li>Additional commits viewable in <a
href="https://github.com/dtolnay/syn/compare/2.0.89...2.0.90">compare
view</a></li>
</ul>
</details>
<br />


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Cargo.lock

@@ -107,7 +107,7 @@ env_logger = { version = "0.11.5" }
 iai-callgrind = { version = "0.12.3" }
 iai-callgrind-runner = { version = "0.12.3" }
 ignore = { version = "0.4.23" }
-indexmap = { version = "2.6.0", features = ["serde"] }
+indexmap = { version = "2.7.0", features = ["serde"] }
 indicatif = { version = "0.17.9", features = ["in_memory"] }
 indoc = { version = "2.0.5" }
 Inflector = { version = "0.11.4" }
@@ -138,7 +138,7 @@ string-interner = { version = "0.17.0", features = [
 ] }
 strum = { version = "0.26.3" }
 strum_macros = { version = "0.26.4" }
-syn = { version = "2.0.89", features = [
+syn = { version = "2.0.90", features = [
     "fold",
     "full",
     "extra-traits",