OPENSUSE-SU-2026:20855-1 Security update for ffmpeg-4

This update for ffmpeg-4 fixes the following issues: Changes in ffmpeg-4: - Add check for the return value of avmallocarray to avoid potential NULL pointer dereference. CVE-2025-10256, bsc1249431 - Update to version 4.4.7: Codecs, filters and other various bugfixes aacenctns: clamp filter directi...