⬆️ micro: Update syn to v2.0.93 (#1192)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [syn](https://redirect.github.com/dtolnay/syn) | dependencies | patch
| `2.0.92` -> `2.0.93` |

---

### Release Notes

<details>
<summary>dtolnay/syn (syn)</summary>

###
[`v2.0.93`](https://redirect.github.com/dtolnay/syn/releases/tag/2.0.93)

[Compare
Source](https://redirect.github.com/dtolnay/syn/compare/2.0.92...2.0.93)

- Fix expression parsing edge cases: `x as T <<= y`
([#&#8203;1804](https://redirect.github.com/dtolnay/syn/issues/1804)),
`break as T`
([#&#8203;1805](https://redirect.github.com/dtolnay/syn/issues/1805)),
`match x { _ if .. => {} }`
([#&#8203;1807](https://redirect.github.com/dtolnay/syn/issues/1807))
- Fix expression printing edge cases: `|| -> T 'a: {}`
([#&#8203;1806](https://redirect.github.com/dtolnay/syn/issues/1806)),
`if break x {}`
([#&#8203;1808](https://redirect.github.com/dtolnay/syn/issues/1808),
[#&#8203;1810](https://redirect.github.com/dtolnay/syn/issues/1810))

</details>

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