Security update for ffmpeg-4

This update for ffmpeg-4 fixes the following issues: Update to release 4.4.8. CVE-2026-8461: out-of-bounds write in the MagicYUV decoder can lead to denial of service or remote code execution bsc1269490. CVE-2026-12706: heap use-after-free read in the RASC video decoder can lead to denial of...