[Issue 22430] OpenBSD: Add OpenBSD to the timezone unittest

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=22430

Brian Callahan <bcallah at openbsd.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |FIXED

--- Comment #1 from Brian Callahan <bcallah at openbsd.org> ---
Fixed in
https://github.com/dlang/phobos/commit/089a3b8dc4a194f370e751bb871f82de0cd61069

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