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

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• Parse and print long if-else-if chains without reliance on deep recursion to avoid overflowing stack (#​1644, #​1645)

v2.0.62

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• Reject invalid unparenthesized range and comparison operator expressions (#​1642, #​1643)

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