Bump thiserror from 1.0.58 to 1.0.60

[dependabot[bot]]

Bumps thiserror from 1.0.58 to 1.0.60.

Release notes

Sourced from thiserror's releases.

1.0.60

• Resolve unexpected_cfgs warning (#298)

1.0.59

• Unblock testing of rustc debug-fmt-detail option (#297)

Commits

• 870d11b Release 1.0.60
• 0ccee7c Merge pull request #298 from dtolnay/checkcfg
• cf43d0c Resolve unexpected_cfgs warning
• e7ad85e Release 1.0.59
• af477ec Merge pull request #297 from dtolnay/traitident
• f3fbd99 Implement ToTokens without reliance on {:?}
• 508ece8 Revert "Temporarily disable miri on doctests"
• c8c804c Explicitly install a Rust toolchain for cargo-outdated job
• 6969595 Merge pull request #293 from dtolnay/workspacewrapper
• 488d52f Apply RUSTC_WORKSPACE_WRAPPER
• Additional commits viewable in compare view

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