[MacPorts] #65401: py-traitlets @5.3.0: builds failing, due to missing build dep py-hatchling

[MacPorts]

#65401: py-traitlets @5.3.0: builds failing, due to missing build dep py-hatchling
---------------------+--------------------------
 Reporter:  mascguy  |      Owner:  stromnov
     Type:  defect   |     Status:  assigned
 Priority:  Normal   |  Milestone:
Component:  ports    |    Version:  2.7.2
 Keywords:           |       Port:  py-traitlets
---------------------+--------------------------
 It looks like we're missing a build dep for `py-hatchling`:

 {{{
 ModuleNotFoundError: No module named 'hatchling'
 }}}

 Based on local testing with trace mode, adding that dep fixes the issue.

 * https://ports.macports.org/port/py310-traitlets/details/
 * https://ports.macports.org/port/py39-traitlets/details/

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Ticket URL: <https://trac.macports.org/ticket/65401>
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