`CamelCasedPropertiesDeep` / `DelimiterCasedPropertiesDeep` / `KebabCasedPropertiesDeep` / `PascalCasedPropertiesDeep` / `SnakeCasedPropertiesDeep`: Fix behaviour when property value is `unknown` by som-sm · Pull Request #1112 · sindresorhus/type-fest