Bump syn from 1.0.81 to 1.0.93

[dependabot]

Bumps syn from 1.0.81 to 1.0.93.

Release notes

Sourced from syn's releases.

1.0.93

• Fix compile error when Some means something unusual in the expression namespace of the scope where custom_keyword is invoked (#1171, thanks @​zakarumych)

1.0.92

• Make compatible with Miri's tag-raw-pointers mode (#1166, thanks @​saethlin)

1.0.91

• impl ToTokens for RangeLimits
• impl Parse for ExprAwait
• impl Parse for GenericMethodArgument
• impl Parse for MethodTurbofish

1.0.90

• Update recommended exhaustive matching idiom to use non_exhaustive_omitted_patterns lint:

  match expr {
      Expr::Array(e) => {…}
      Expr::Assign(e) => {…}
      ...
      Expr::Yield(e) => {…}
  #[cfg_attr(test, deny(non_exhaustive_omitted_patterns))]
  _ => {/* some sane fallback */}
  
  }

1.0.89

• Remove support for inner attributes on non-block expressions (#1146, rust-lang/rust#83312)
• Fix panic on comma after mut self in a bare fn type (#1148)

1.0.88

• Parse .. pattern in pattern of let (#1136)
• Parse for<…> lifetime introducer on closures (#1135)
• Reject postfix operators after cast (#1117)
• Implement extra-traits for Nothing (#1144)

1.0.87

• Parse trait bounds containing associated constant constraint (#1138)
• Change syntax of where-clauses on generic associated types (#1071, rust-lang/rust#89122)

1.0.86

• Add support for parsing if- and while-let-chains (RFC 2497)

1.0.85

• Add token() method to each variant of syn::Lit to expose the underlying token representation with original formatting

1.0.84

• Add parse_quote_spanned! macro which is a combination parse_quote! + quote_spanned!

... (truncated)

Commits

• 2e505a8 Release 1.0.93
• 16ef95e Merge pull request #1171 from zakarumych/fix-some
• 2775d48 Use Some from $crate
• 63f6c9f Run miri in stricter miri-strict-provenance mode
• ca511d1 Update test suite to nightly-2022-05-05
• fc09072 Update test suite to nightly-2022-05-02
• 9951445 Resolve type_repetition_in_bounds clippy lint
• 3c07913 Update test suite to nightly-2022-05-01
• a0cd03c Drop unneeded quoting from env variable in workflows yaml
• 069bdf5 Release 1.0.92
• Additional commits viewable in compare view

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[dependabot]

Superseded by #104.