Bump syn from 1.0.81 to 1.0.89

[dependabot]

Bumps syn from 1.0.81 to 1.0.89.

Release notes

Sourced from syn's releases.

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!

1.0.83

• Fix panic parsing trait impl with qself in trait type: impl <Thing<>>::Trait for Type {} (#1109)
• Preserve attributes on let-else stmt: #[attr] let pat = val else { return } (#1110)

1.0.82

• Support parenthesized generic argument syntax with :: disambiguator: Fn::() -> ! (#1096)

Commits

• 8d4eb4c Release 1.0.89
• 6daa474 Merge pull request #1148 from dtolnay/fnmutself
• 4a3a83d Fix panic on comma after 'mut self' in bare fn type
• 99510ff Add test of trailing comma after mut self
• 9a66997 Update test suite to nightly-2022-03-16
• be3238b Merge pull request #1146 from dtolnay/innerattr
• fe5508b Remove support for inner attributes on non-block expressions
• 1da3551 Revert "Parse inner attrs on structs, enums, unions, variants"
• fcaca36 Release 1.0.88
• 531c56f Merge pull request #1144 from dtolnay/nothingtraits
• Additional commits viewable in compare view

Dependabot will resolve any conflicts with this PR as long as you don't alter it yourself. You can also trigger a rebase manually by commenting @dependabot rebase.

---

Dependabot commands and options

You can trigger Dependabot actions by commenting on this PR:

• @dependabot rebase will rebase this PR
• @dependabot recreate will recreate this PR, overwriting any edits that have been made to it
• @dependabot merge will merge this PR after your CI passes on it
• @dependabot squash and merge will squash and merge this PR after your CI passes on it
• @dependabot cancel merge will cancel a previously requested merge and block automerging
• @dependabot reopen will reopen this PR if it is closed
• @dependabot close will close this PR and stop Dependabot recreating it. You can achieve the same result by closing it manually
• @dependabot ignore this major version will close this PR and stop Dependabot creating any more for this major version (unless you reopen the PR or upgrade to it yourself)
• @dependabot ignore this minor version will close this PR and stop Dependabot creating any more for this minor version (unless you reopen the PR or upgrade to it yourself)
• @dependabot ignore this dependency will close this PR and stop Dependabot creating any more for this dependency (unless you reopen the PR or upgrade to it yourself)

[dependabot]

Superseded by #95.