build(deps): Bump syn from 2.0.33 to 2.0.37 (#326)

Bumps [syn](https://github.com/dtolnay/syn) from 2.0.33 to 2.0.37.
<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>2.0.37</h2>
<ul>
<li>Work around incorrect future compatibility warning in rustc
1.74.0-nightly</li>
</ul>
<h2>2.0.36</h2>
<ul>
<li>Restore compatibility with
<code>--generate-link-to-definition</code> documentation builds (<a
href="https://redirect.github.com/dtolnay/syn/issues/1514">#1514</a>)</li>
</ul>
<h2>2.0.35</h2>
<ul>
<li>Make rust-analyzer produce preferred brackets for invocations of
<code>Token!</code> macro (<a
href="https://redirect.github.com/dtolnay/syn/issues/1510">#1510</a>, <a
href="https://redirect.github.com/dtolnay/syn/issues/1512">#1512</a>)</li>
</ul>
<h2>2.0.34</h2>
<ul>
<li>Documentation improvements</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/dtolnay/syn/commit/96810880f3acbb63415cf4684ab42c82edc31e2a"><code>9681088</code></a>
Release 2.0.37</li>
<li><a
href="https://github.com/dtolnay/syn/commit/fbe3bc2ddcee4192f95697a953330d031030f5a1"><code>fbe3bc2</code></a>
Work around unknown_lints warning on rustc older than 1.64</li>
<li><a
href="https://github.com/dtolnay/syn/commit/75cf912e061ef5a1d97c003f4988f43d7639f5a8"><code>75cf912</code></a>
Ignore more repr_transparent_external_private_fields</li>
<li><a
href="https://github.com/dtolnay/syn/commit/299c782439823b868de4aea3682b41d03351d978"><code>299c782</code></a>
Ignore false repr_transparent_external_private_fields FCW in generated
code</li>
<li><a
href="https://github.com/dtolnay/syn/commit/ef6476c76431da488720c8ee3fdfff57a199a848"><code>ef6476c</code></a>
Release 2.0.36</li>
<li><a
href="https://github.com/dtolnay/syn/commit/6ae1a9756a128f18341a4cba56772ee1715a06e2"><code>6ae1a97</code></a>
Merge pull request <a
href="https://redirect.github.com/dtolnay/syn/issues/1514">#1514</a>
from dtolnay/pubnotdoc</li>
<li><a
href="https://github.com/dtolnay/syn/commit/7bfef4b2befee954bc002724c8331612fed3d47f"><code>7bfef4b</code></a>
Work around doc breakage in generate-link-to-definition mode</li>
<li><a
href="https://github.com/dtolnay/syn/commit/ce360ff4b1695311dcc569ade1fc9ff1ff6ac4d9"><code>ce360ff</code></a>
Release 2.0.35</li>
<li><a
href="https://github.com/dtolnay/syn/commit/23736bdc48a964286ea032ea5c172574239119ef"><code>23736bd</code></a>
Merge pull request <a
href="https://redirect.github.com/dtolnay/syn/issues/1512">#1512</a>
from dtolnay/tokendoc</li>
<li><a
href="https://github.com/dtolnay/syn/commit/6f6b0040d420abfda0b5504dc13b7c76319ebccd"><code>6f6b004</code></a>
Improve docs of Token! macro</li>
<li>Additional commits viewable in <a
href="https://github.com/dtolnay/syn/compare/2.0.33...2.0.37">compare
view</a></li>
</ul>
</details>
<br />


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