[xpra-codecs-freeworld/el8] (6 commits) ...Release 4.4.5

Summary of changes: 3e92ea1... delete patches no longer used (*) 9553610... Rebuild for new ffmpeg (*) 020b544... Update xpra-codecs-freeworld to 4.4.4 (*) 2ff0a0b... Update xpra-codecs-freeworld to 4.4.4 (*) 7b05108... Fix build issue with ppcle64 and pandoc on F38+ (*) 31d3177... Release 4.4.5 (*) (*) This commit already existed in another branch; no separate mail sent