Merge branch 'release/20.04'
- release/20.04: Forward errors from archive interface when batch-extracting libzip: Enable progress when batch-extracting Revert "Make it compile against last qt5.15 without deprecated method" GIT_SILENT made messages (after extraction) SVN_SILENT made messages (.desktop file) - always resolve ours GIT_SILENT Upgrade release service version to 20.03.90. libarchive backend: display permissions in octal format GIT_SILENT Upgrade release service version to 20.03.80.