[MacPorts] #66536: warzone2100: set `platforms any` for music and videos

[MacPorts]

#66536: warzone2100: set `platforms any` for music and videos
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 Reporter:  jmroot       |      Owner:  jasonliu--
     Type:  enhancement  |     Status:  assigned
 Priority:  Normal       |  Milestone:
Component:  ports        |    Version:
 Keywords:               |       Port:  warzone2100
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 The `warzone2100-music` and `warzone2100-videos` subports pretty clearly
 install the same files everywhere, so they should set `platforms any` to
 avoid building a separate archive per macOS version.

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Ticket URL: <https://trac.macports.org/ticket/66536>
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