This is in line with e.g. qtbase. Also remove outdated/unreferenced
license files.
Pick-to: 6.3
Change-Id: I5d3370ab453610f9c8165ff9e57db7ad4a785370
Reviewed-by: Jani Heikkinen <jani.heikkinen@qt.io>
Xcode 12.3 is currently supported in macOS 10.15.4 and 11.1
Task-number: QTQAINFRA-3962
Change-Id: Id919e63cd792e4c35b4bb625a574009fd044f440
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>
Reviewed-by: Tony Sarajärvi <tony.sarajarvi@qt.io>