build(deps): Bump syn from 2.0.92 to 2.0.93 (#649)

Bumps [syn](https://github.com/dtolnay/syn) from 2.0.92 to 2.0.93.
<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>2.0.93</h2>
<ul>
<li>Fix expression parsing edge cases: <code>x as T &lt;&lt;= y</code>
(<a
href="https://redirect.github.com/dtolnay/syn/issues/1804">#1804</a>),
<code>break as T</code> (<a
href="https://redirect.github.com/dtolnay/syn/issues/1805">#1805</a>),
<code>match x { _ if .. =&gt; {} }</code> (<a
href="https://redirect.github.com/dtolnay/syn/issues/1807">#1807</a>)</li>
<li>Fix expression printing edge cases: <code>|| -&gt; T 'a: {}</code>
(<a
href="https://redirect.github.com/dtolnay/syn/issues/1806">#1806</a>),
<code>if break x {}</code> (<a
href="https://redirect.github.com/dtolnay/syn/issues/1808">#1808</a>, <a
href="https://redirect.github.com/dtolnay/syn/issues/1810">#1810</a>)</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/dtolnay/syn/commit/3f2acdc5ed26505d73a9f80e8d0f2c89e41bd1b6"><code>3f2acdc</code></a>
Release 2.0.93</li>
<li><a
href="https://github.com/dtolnay/syn/commit/2ecf36aa1b55bf9b3a6673f8e8b3cd698f08e545"><code>2ecf36a</code></a>
Merge pull request <a
href="https://redirect.github.com/dtolnay/syn/issues/1810">#1810</a>
from dtolnay/confusable</li>
<li><a
href="https://github.com/dtolnay/syn/commit/6240d9cbede77a5e5375e8f99f5aeb571a93836c"><code>6240d9c</code></a>
Recursive implementation of confusable_with_adjacent_block</li>
<li><a
href="https://github.com/dtolnay/syn/commit/39c8d4e6c21785626d1ac2c2d5c42b2aa47879fd"><code>39c8d4e</code></a>
Merge pull request <a
href="https://redirect.github.com/dtolnay/syn/issues/1809">#1809</a>
from dtolnay/permutations</li>
<li><a
href="https://github.com/dtolnay/syn/commit/c770215c8a2351c3f1c92bf6ea0c188d6bd62285"><code>c770215</code></a>
Add exhaustive expressions parsing test</li>
<li><a
href="https://github.com/dtolnay/syn/commit/672aca98aee9dbedc532e365f5d5ef5acc04e628"><code>672aca9</code></a>
Exclude slow expressions test from miri</li>
<li><a
href="https://github.com/dtolnay/syn/commit/52d1ebbcc50b5dccf9ea396890d2f0407bbe596c"><code>52d1ebb</code></a>
Merge pull request <a
href="https://redirect.github.com/dtolnay/syn/issues/1808">#1808</a>
from dtolnay/ifbreak</li>
<li><a
href="https://github.com/dtolnay/syn/commit/7fbb4aeb291844c9849ef12da78fc871c0851586"><code>7fbb4ae</code></a>
Fix <code>if break x {}</code></li>
<li><a
href="https://github.com/dtolnay/syn/commit/6baa7934b47b6d75895fb6cd550e815373aa075c"><code>6baa793</code></a>
Merge pull request <a
href="https://redirect.github.com/dtolnay/syn/issues/1807">#1807</a>
from dtolnay/rangearrow</li>
<li><a
href="https://github.com/dtolnay/syn/commit/23f8f3b07f76aaca4d90a87ac91c0a63c4aaa989"><code>23f8f3b</code></a>
Fix <code>match x { _ if .. =&gt; {} }</code></li>
<li>Additional commits viewable in <a
href="https://github.com/dtolnay/syn/compare/2.0.92...2.0.93">compare
view</a></li>
</ul>
</details>
<br />


[![Dependabot compatibility
score](https://dependabot-badges.githubapp.com/badges/compatibility_score?dependency-name=syn&package-manager=cargo&previous-version=2.0.92&new-version=2.0.93)](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>