v12.0.0

Breaking

• Require Node.js 18+ (#100) 98bbe4e
• Avoid breaking with bad custom constructors (#104) e593d37

Improvements

• Add support for AggregateError (#103) b6ff2eb
• Tighten Error determination (#101) 7fc2898

Fixes

• Stop making non-Error properties non-enumerable (#102) 1d8395b
• Fix return type for unknown input (#105) 64ce883

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v11.0.3...v12.0.0