[MacPorts] #29446: spidermonkey: update to 1.8.5

[MacPorts]

#29446: spidermonkey: update to 1.8.5
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  Reporter:  ryandesign@…  |      Owner:  akitada@…
      Type:  update        |     Status:  new
  Priority:  Normal        |  Milestone:
 Component:  ports         |    Version:
Resolution:                |   Keywords:  haspatch
      Port:  spidermonkey  |
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Comment (by gui_dos@…):

 The .diff by cal at macports.org is missing the patch files.

 Without them it is not possible to compile Gjs: I submitted a prelminary
 port with #38705

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Ticket URL: <https://trac.macports.org/ticket/29446#comment:14>
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