[MacPorts] #63733: trac-devel: update to latest unstable release (1.5.3) (was: trac: update to latest upstream release (1.5.3))

[MacPorts]

#63733: trac-devel: update to latest unstable release (1.5.3)
-------------------------+----------------------
  Reporter:  mascguy     |      Owner:  mascguy
      Type:  update      |     Status:  assigned
  Priority:  Normal      |  Milestone:
 Component:  ports       |    Version:
Resolution:              |   Keywords:
      Port:  trac-devel  |
-------------------------+----------------------
Changes (by mascguy):

 * port:  trac => trac-devel


Old description:

> As an added bonus, the latest release drops support for Python 2.7, in
> favor of 3.5 and later.

New description:

 While upstream hasn't yet released an official stable release, beyond the
 1.4.x series - they use an even-numbering scheme for those - we can
 certainly test the latest unstable version, via new port `trac-devel`.

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Ticket URL: <https://trac.macports.org/ticket/63733#comment:3>
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