math/saga: Update to 9.5.0

• improved dark mode support and font scaling
• 3D view: gif animation support, add shortcut, fix mouse wheel
• proj: add tool for crs format conversion; make 'definition string' directly editable
• wksp_data_manager: allow to set coordinate precision for grid systems to -1 (ignore)
• io_grid_image/grid_export: write esri compatible srs definition
• many other new features and bug fixes

Changelog: https://sourceforge.net/p/saga-gis/wiki/Changelog%209.5.0/attachment/changelog_saga_9.5.0.txt

Reported by: portscout, Repology