Bump syn from 1.0.48 to 1.0.58

[dependabot]

Bumps syn from 1.0.48 to 1.0.58.

Release notes

Sourced from syn's releases.

1.0.58

• Allow literals to parse as a const generic path argument even without "full" feature enabled (#951)

  pub struct Struct {
      array: Array<10>,  // used to require `features = "full"`
  }

1.0.57

• Make Punctuated::new available as a const fn (#949)

1.0.56

• Add Error::into_compile_error

1.0.55

• Preserve None-delimited group around macro metavariable when parsing T<$ty> (#944, #945)

1.0.54

• Fix parsing of impl items with macro metavariable in the trait path: impl $trait for Type {...} (#942)

1.0.53

• Parse impl !Trait {...} syntax (#936)

1.0.52

• Parse unsafe extern block syntax (#918)
• Parse unsafe mod syntax (#919)
• Parse const {...} block syntax (#921)
• Parse destructuring assignment syntax (#933)

1.0.51

• Allow parsing signatures in which const generic params appear in front of lifetime params (#920)

1.0.50

• Apply doc(cfg(...)) on feature gated APIs for docs.rs-rendered documentation (#925)

1.0.49

• Fix parsing async functions inside None-delimited groups in a statement context (#916)

Commits

• 3414ed6 Release 1.0.58
• 6ff6198 Merge pull request #951 from dtolnay/const
• 272ab5d Parse simple literal const generic path args even without "full"
• 957840e Make it clearer that the private implementation details are private
• ebfb8f2 Handle path attr in internal code generator
• 5e23a9b Fix catching clippy warnings as CI failures
• d4463e7 Update test suite to nightly-2021-01-02
• d58d7cb Release 1.0.57
• a43539c Resolve use_self clippy lint
• 7ca5691 Remove no longer triggered clippy lints
• Additional commits viewable in compare view

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[dependabot]

The following labels could not be found: A2-insubstantial, B0-silent, C1-low.

[dependabot]

Superseded by #35.