chore(deps): update rust crate syn to v2.0.63

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
syn	workspace.dependencies	patch	2.0.61 -> 2.0.63

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Release Notes

dtolnay/syn (syn)

### [`v2.0.63`](https://togithub.com/dtolnay/syn/releases/tag/2.0.63) [Compare Source](https://togithub.com/dtolnay/syn/compare/2.0.62...2.0.63) - Parse and print long if-else-if chains without reliance on deep recursion to avoid overflowing stack ([#​1644](https://togithub.com/dtolnay/syn/issues/1644), [#​1645](https://togithub.com/dtolnay/syn/issues/1645)) ### [`v2.0.62`](https://togithub.com/dtolnay/syn/releases/tag/2.0.62) [Compare Source](https://togithub.com/dtolnay/syn/compare/2.0.61...2.0.62) - Reject invalid unparenthesized range and comparison operator expressions ([#​1642](https://togithub.com/dtolnay/syn/issues/1642), [#​1643](https://togithub.com/dtolnay/syn/issues/1643))

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