`DateComponentsFormatter` unavailable

[0xTim]

It's explicitly marked as unavailable, yet another missing API

https://github.com/apple/swift-corelibs-foundation/blob/main/Sources/Foundation/DateComponentsFormatter.swift#L12

[parkera]

We do have the newer IntervalFormatStyle here:

https://github.com/apple/swift-foundation/blob/4a0637fba3cdd9c520a9ac5ab92b4c124491bd88/Sources/FoundationInternationalization/Formatting/Date/Date%2BIntervalFormatStyle.swift

and RelativeFormatStyle here:

https://github.com/apple/swift-foundation/blob/4a0637fba3cdd9c520a9ac5ab92b4c124491bd88/Sources/FoundationInternationalization/Formatting/Date/Date%2BRelativeFormatStyle.swift

[parkera]

Date.ComponentsFormatStyle needs to be ported still.