[Ruby] Add `ArrowFormat::DurationArray.new(unit, values)`

[kou]

Describe the enhancement requested

It builds a duration Arrow array from Ruby objects.

Component(s)

Ruby

[kou]

@Reranko05 Could you add a "take" comment here?

[kou]

Issue resolved by pull request 50447
#50447

[Reranko05]

take