build(deps): bump syn from 2.0.48 to 2.0.57

[dependabot]

Bumps syn from 2.0.48 to 2.0.57.

Release notes

Sourced from syn's releases.

2.0.57

• Eliminate dependency on quote when built with default-features disabled and the "proc-macro" feature enabled (#1608, thanks @​BD103)

2.0.56

• Apply RUSTC_WORKSPACE_WRAPPER when deciding whether to run nightly-only tests (#1605)

2.0.55

• Restore compatibility with rustc 1.56 through 1.59 (#1603)

2.0.54

• Fix dead code warning in generated code when using custom_keyword! with syn's "printing" feature disabled (#1602)

2.0.53

• Implement Copy, Clone, and ToTokens for syn::parse::Nothing (#1597)

2.0.52

• Add an expression parser that uses match-arm's boundary rules (#1593)

2.0.51

• Resolve non_local_definitions warnings in generated code under rustc 1.78-nightly

2.0.50

• Fix unused_imports warnings when compiled by rustc 1.78

2.0.49

• Improve error location when parsing from an empty string literal using LitStr::parse (#1590)

Commits

• 9cea040 Release 2.0.57
• 3c07b78 Release 2.0.56
• 585df47 Merge pull request #1608 from BD103/deps-features
• d7650b2 chore: bump msrv to 1.60 (pt. 2)
• 4913ab2 chore: bump msrv to 1.60
• 694f604 feat: use optional dependency feature syntax ?
• 6c7c709 refactor: use dep: prefix for quote dependency
• c7f734d Explicitly install a Rust toolchain for cargo-outdated job
• dcd74f5 Merge pull request #1605 from dtolnay/workspacewrapper
• 3748333 Apply RUSTC_WORKSPACE_WRAPPER
• 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 show <dependency name> ignore conditions will show all of the ignore conditions of the specified dependency
• @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 #631.