[xpra-codecs-freeworld/f34] (11 commits) ...Release 4.3

Summary of changes: 597c1e4... Release 4.1.3 (*) c9c5833... Release 4.2 (*) a8ff777... Rebuild for python-3.10 (*) 9442bb7... Release 4.2.1 (*) 0ed69cf... - Rebuilt for https://fedoraproject.org/wiki/Fedora_35_Mass (*) 5cff002... Release 4.2.2 (*) 9585148... Fix ARM builds (*) fd8a4c7... Release 4.2.3 (*) b8326d1... Rebuilt for new ffmpeg snapshot (*) 6dbe751... Release 4.3 (*) 1e84d7e... Release 4.3 (*) This commit already existed in another branch; no separate mail sent