math/saga: Update to 9.6.3

Small bugfix release:

• saga_gui, 3d-map-view: fix, update resolution after dialog
• saga_gui/parameters_properties: fix, possible crash when parameter name includes a '%' character

Changelog: https://sourceforge.net/p/saga-gis/wiki/Changelog%209.6.3/attachment/changelog_saga_9.6.3.txt

Reported by: portscout, Repology

MFH: 2024Q4
(cherry picked from commit 44ef2669cee53c332c1ae7b99c2bb7dacbc8559d)