build(deps): bump syn from 2.0.105 to 2.0.106 (#38768)

Bumps [syn](https://github.com/dtolnay/syn) from 2.0.105 to 2.0.106.
<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>2.0.106</h2>
<ul>
<li>Replace <code>~const</code> syntax with <code>[const]</code>
conditionally const syntax in trait bounds (<a
href="https://redirect.github.com/dtolnay/syn/issues/1896">#1896</a>, <a
href="https://redirect.github.com/rust-lang/rust/pull/139858">rust-lang/rust#139858</a>)</li>
<li>Support conditionally const impl Trait types (<a
href="https://redirect.github.com/dtolnay/syn/issues/1897">#1897</a>)</li>
<li>Reject polarity modifier and lifetime binder used in the same trait
bound (<a
href="https://redirect.github.com/dtolnay/syn/issues/1899">#1899</a>, <a
href="https://redirect.github.com/rust-lang/rust/pull/127054">rust-lang/rust#127054</a>)</li>
<li>Parse const trait bounds with bound lifetimes (<a
href="https://redirect.github.com/dtolnay/syn/issues/1902">#1902</a>)</li>
<li>Parse bound lifetimes with lifetime bounds (<a
href="https://redirect.github.com/dtolnay/syn/issues/1903">#1903</a>)</li>
<li>Allow type parameters and const parameters in trait bounds and
generic closures (<a
href="https://redirect.github.com/dtolnay/syn/issues/1904">#1904</a>, <a
href="https://redirect.github.com/dtolnay/syn/issues/1907">#1907</a>, <a
href="https://redirect.github.com/dtolnay/syn/issues/1908">#1908</a>, <a
href="https://redirect.github.com/dtolnay/syn/issues/1909">#1909</a>)</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="0e4bc64fe1"><code>0e4bc64</code></a>
Release 2.0.106</li>
<li><a
href="4fb776a12e"><code>4fb776a</code></a>
Merge pull request <a
href="https://redirect.github.com/dtolnay/syn/issues/1910">#1910</a>
from dtolnay/traitboundissue</li>
<li><a
href="41b24a588b"><code>41b24a5</code></a>
Fix duplicated async trait bound issue</li>
<li><a
href="a64f024cf8"><code>a64f024</code></a>
Merge pull request <a
href="https://redirect.github.com/dtolnay/syn/issues/1909">#1909</a>
from dtolnay/fortype</li>
<li><a
href="176099e868"><code>176099e</code></a>
Parse type parameter introducer on closures</li>
<li><a
href="b790b39351"><code>b790b39</code></a>
Merge pull request <a
href="https://redirect.github.com/dtolnay/syn/issues/1908">#1908</a>
from dtolnay/genericvsqpath</li>
<li><a
href="96496390a3"><code>9649639</code></a>
Synchronize generics-vs-qpath heuristic with rust parser</li>
<li><a
href="60de3318e0"><code>60de331</code></a>
Merge pull request <a
href="https://redirect.github.com/dtolnay/syn/issues/1907">#1907</a>
from dtolnay/forconst</li>
<li><a
href="2aac6d7607"><code>2aac6d7</code></a>
Allow const parameters in for&lt;&gt;</li>
<li><a
href="11934e5365"><code>11934e5</code></a>
Merge pull request <a
href="https://redirect.github.com/dtolnay/syn/issues/1905">#1905</a>
from dtolnay/unsafestatic</li>
<li>Additional commits viewable in <a
href="https://github.com/dtolnay/syn/compare/2.0.105...2.0.106">compare
view</a></li>
</ul>
</details>
<br />


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Cargo.lock

@@ -8322,9 +8322,9 @@ checksum = "e454d048db5527d000bfddb77bd072bbf3a1e2ae785f16d9bd116e07c2ab45eb"
 
 [[package]]
 name = "syn"
-version = "2.0.105"
+version = "2.0.106"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7bc3fcb250e53458e712715cf74285c1f889686520d79294a9ef3bd7aa1fc619"
+checksum = "ede7c438028d4436d71104916910f5bb611972c5cfd7f89b8300a8186e6fada6"
 dependencies = [
  "proc-macro2",
  "quote",