[MacPorts] #73970: mas: Update port to version v7.0.0

[MacPorts]

#73970: mas: Update port to version v7.0.0
--------------------+----------------------
 Reporter:  sierkb  |      Owner:  judaew
     Type:  defect  |     Status:  assigned
 Priority:  Normal  |  Milestone:
Component:  ports   |    Version:  2.12.5
 Keywords:          |       Port:  mas
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 Please update the mas port to the latest release version (v7.0.0 since May
 04, 2026 according to ​​​​​https://github.com/mas-
 cli/mas/releases/tag/v7.0.0 resp. ​​​https://github.com/mas-
 cli/mas/releases).

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Ticket URL: <https://trac.macports.org/ticket/73970>
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