Bump syn from 1.0.109 to 2.0.72

[dependabot]

Bumps syn from 1.0.109 to 2.0.72.

Release notes

Sourced from syn's releases.

2.0.72

• Parse use<'a, T> precise capturing bounds (#1707, thanks @​compiler-errors)

2.0.71

• Do not require mutable borrow in Punctuated::get() (#1706, thanks @​lemunozm)

2.0.70

• Improve parenthesization of closures, jumps, ranges, chained comparisons, and let (#1694, #1695, #1698, #1699, #1700)

2.0.69

• Correctly parenthesize labeled loops inside a break value (#1692)
• Add Punctuated::get and get_mut (#1693)

2.0.68

• Improve panic location when parse_quote! parses invalid syntax (#1690, thanks @​stepancheg)
• More efficient peek implementation for Group and Lifetime (#1687)

2.0.67

• Produce more accurate error message locations for errors located at the end of a nested group (#1679, #1680)
• Support peeking LitCStr in ParseStream::peek (#1682)

2.0.66

• Allow braced structs when parsing ExprLet (#1671)

2.0.65

• Optimize the implementation of Fold to compile faster (#1666, #1667, #1668)

2.0.64

• Support using ParseBuffer across catch_unwind (#1646)
• Validate that the expression in a let-else ends in brace as required by rustc (#1648, #1649)
• Legalize invalid const generic arguments by wrapping in braces (#1654, #1655)
• Fix some expression precedence edge cases involving break and return in loop headers (#1656)
• Always print closure bodies with a brace when the closure has an explicit return type (#1658)
• Automatically insert necessary parentheses in ToTokens for Expr when required by expression precedence (#1659)
• Support struct literal syntax in match guard expressions (#1662)

2.0.63

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

2.0.62

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

2.0.61

• Check for legal binding name in the ident of Pat::Ident (#1627)
• Resolve unexpected_cfgs warning (#1635)

2.0.60

• Improve how None-delimited groups are counted by peek (#1625)

2.0.59

... (truncated)

Commits

• c59828f Release 2.0.72
• 5821371 Merge pull request #1709 from dtolnay/up
• 87401bf Add issue links for missing syntax support
• a3f2f50 Categorize newly failing rust repo source files
• 378f4e2 Update test suite to nightly-2024-07-21
• 788f8cb Improve errors on unexpected token in precise capture bound
• 11b2371 Merge pull request #1707 from compiler-errors/precise-capturing
• bed32d2 Parse use<> precise capturing as Verbatim
• f34dc7b Release 2.0.71
• 896d58b Merge pull request #1706 from lemunozm/patch-1
• Additional commits viewable in compare view

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[dependabot]

Superseded by #208.