[openshot/f29] (11 commits) ...New upstream release 2.4.3

Summary of changes: 5f55a21... Update for new libopenshot (*) 5a29a65... Add appdata file. (*) 2974e55... Actually commit appdata file. (*) 28f3b0d... Add appdata to %%file. (*) 4b7b728... Correct version typo in changelog (*) b7a439b... Update contact email in appdata (*) 1ce8138... Update appdata file per upstream (*) 7bd3dd5... small typo (*) 02581b6... Pull in find-lang changes from Fedora (*) 441777f... Update find-lang for new translation files (*) 7a4cd9e... New upstream release 2.4.3 (*) (*) This commit already existed in another branch; no separate mail sent