SUSE-SU-2025:20507-1 Security update for gstreamer-plugins-base

This update for gstreamer-plugins-base fixes the following issues: - CVE-2025-47807: Fixed NULL-pointer dereference in SubRip subtitle parser bsc1244403 - CVE-2025-47808: Fixed NULL-pointer dereference in TMPlayer subtitle parser bsc1244404 - CVE-2025-47806: Fixed Stack buffer overflow in SubRip...