build(deps): bump syn from 2.0.90 to 2.0.103

[dependabot]

Bumps syn from 2.0.90 to 2.0.103.

Release notes

Sourced from syn's releases.

2.0.103

• Insert parentheses around binary operation with attribute (#1871)

2.0.102

• Fix printing of nested Expr::Index and Expr::Tuple in non-full mode (#1869)

2.0.101

• Improve TypeGenerics::as_turbofish to return longer-lived return value (#1861)

2.0.100

• Add Visit::visit_token_stream, VisitMut::visit_token_stream_mut, Fold::fold_token_stream for processing TokenStream during syntax tree traversals (#1852)

2.0.99

• Documentation improvements

2.0.98

• Allow lifetimes in function pointer return values in ParseStream::call and Punctuated parsers (#1847)

2.0.97

• Documentation improvements

2.0.96

• Expression precedence fixes (#1834, #1836, #1837, #1838, #1839, #1840)

2.0.95

• Fix parenthesization of struct literals in let-chains (#1832)

2.0.94

• Expression precedence fixes (#1811, #1812, #1813, #1814, #1815, #1816, #1818, #1819, #1820, #1825, #1826, #1827, #1828, #1829, #1830)

2.0.93

• Fix expression parsing edge cases: x as T <<= y (#1804), break as T (#1805), match x { _ if .. => {} } (#1807)
• Fix expression printing edge cases: || -> T 'a: {} (#1806), if break x {} (#1808, #1810)

2.0.92

• Fix parenthesization of jumps inside ranges (#1798)

2.0.91

• Support parsing Vec<Arm> using parse_quote! (#1796, #1797)

Commits

• 85d4276 Release 2.0.103
• 6f7b0f3 Merge pull request #1871 from dtolnay/binaryattr
• 89f88fa Correctly track bailouts in parenthesized binary expressions
• 0e07372 Add binary operator attribute bailout test
• ca8d876 Insert parentheses around binary operation with attribute
• 5be0f71 Add binary operator attribute tests
• 026bb3c Discard paren attrs in unparenthesize test
• 217dd62 Preserve attributes of Expr::Paren in FlattenParens
• ef977c1 Update test suite to nightly-2025-06-11
• b1cc559 Release 2.0.102
• Additional commits viewable in compare view

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[dependabot]

Superseded by #231.