graphics/gdal: Update to 3.9.0

- Bump PORTREVISION of dependent ports for shlib change
  - databases/postgis31 is skipped due to
  - graphics/R-cran-rgdal is skipped due to build failure and removed from CRAN repository

Changes:	https://github.com/OSGeo/gdal/releases
		https://github.com/OSGeo/gdal/blob/release/3.9/NEWS.md