graphics/gdal: add upstream fix for poppler 20.08.x

• graphics poppler changed the versionsing scheme
• add upstream patch to handle the minor-release with leading zeroes.
• the exp-run in pr 248419 could not catch this as the option is off by default
• obtained from upstream:

https://github.com/OSGeo/gdal/commit/2b863dbabdc2a7d724f9fdf3e6ff20a142b619f6.patch

PR: 248703
Submitted by: russo@bogodyn.org
Reported by: John Hein <jcfyecrayz@liamekaens.com>