chore(deps): update rust crate syn to v2.0.106

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
syn	workspace.dependencies	patch	2.0.76 -> 2.0.106

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Release Notes

dtolnay/syn (syn)

v2.0.106

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• Replace ~const syntax with [const] conditionally const syntax in trait bounds (#​1896, https://github.com/rust-lang/rust/pull/139858)
• Support conditionally const impl Trait types (#​1897)
• Reject polarity modifier and lifetime binder used in the same trait bound (#​1899, https://github.com/rust-lang/rust/pull/127054)
• Parse const trait bounds with bound lifetimes (#​1902)
• Parse bound lifetimes with lifetime bounds (#​1903)
• Allow type parameters and const parameters in trait bounds and generic closures (#​1904, #​1907, #​1908, #​1909)

v2.0.105

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• Disallow "negative" inherent impls like impl !T {} (#​1881, https://github.com/rust-lang/rust/pull/144386)

v2.0.104

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• Disallow attributes on range expression (#​1872)

v2.0.103

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

v2.0.102

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

v2.0.101

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

v2.0.100

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

v2.0.99

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• Documentation improvements

v2.0.98

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

v2.0.97

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• Documentation improvements

v2.0.96

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

v2.0.95

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

v2.0.94

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

v2.0.93

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• 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)

v2.0.92

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• Fix parenthesization of jumps inside ranges (#​1798)

v2.0.91

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

v2.0.90

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• Fix automatic parenthesization of subexpressions containing outer attributes, such as (#[attr] thing).field (#​1785)
• Fix automatic parenthesization of function calls via a struct field, such as (thing.field)() and thing.0() (#​1786)

v2.0.89

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• Fix "compiler/fallback mismatch 949" panic (https://github.com/dtolnay/proc-macro2/issues/483)

v2.0.88

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• Improve error recovery in parse_str (#​1783)

v2.0.87

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• Add Cursor::any_group (#​1777)
• Add Expr::peek (#​1778)
• Improve syntax support for enum discriminant expressions in non-"full" mode (#​1779)

v2.0.86

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• Support peeking the end of a parse stream (#​1689)
• Allow parse_quote! to produce Vec<Attribute> (#​1775)

v2.0.85

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• Preserve extern static unsafety in ForeignItem::Verbatim (#​1773)

v2.0.84

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• Parse safe and explicitly unsafe extern items (#​1768, https://github.com/rust-lang/rust/issues/123743, https://github.com/rust-lang/rfcs/pull/3484)
• Parse self captures: impl Sized + use<Self> (#​1772)

v2.0.83

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• Documentation improvements

v2.0.82

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• Provide Parse impls for PreciseCapture and CapturedParam (#​1757, #​1758)
• Support parsing unsafe attributes (#​1759)
• Add Fold and VisitMut methods for Vec<Attribute> (#​1762)

v2.0.81

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• Add TypeParamBound::PreciseCapture to represent precise capture syntax impl Trait + use<'a, T> (#​1752, #​1753, #​1754)

v2.0.80

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• Add Expr::RawAddr (#​1743)
• Reject precise captures and ~const in inappropriate syntax positions (#​1747)
• Reject trait bound containing only precise capture (#​1748)

v2.0.79

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• Fix infinite loop on parsing chained ranges (#​1741)
• Fix panic in parsing use items containing absolute paths (#​1742)

v2.0.78

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• Fix infinite loop on chained comparison (#​1739)

v2.0.77

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• Support parsing Expr::Tuple in non-"full" mode (#​1727)

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