[PostGIS] #5666: Build reproducibility: timestamps in extension upgrade SQL scripts

[PostGIS]

#5666: Build reproducibility: timestamps in extension upgrade SQL scripts
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  Reporter:  James Addison  |      Owner:  strk
      Type:  defect         |     Status:  new
  Priority:  medium         |  Milestone:
 Component:  build          |    Version:  3.4.x
Resolution:                 |   Keywords:
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Comment (by James Addison):

 Thanks robe - removing the timestamp would be a good (probably the best)
 solution from my point of view too, but I could understand if there are
 reasons/requirements to retain a timestamp within the file (either in a
 specific format or generally).
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Ticket URL: <https://trac.osgeo.org/postgis/ticket/5666#comment:5>
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