* pre-11.0 sed doesn't seem to understand \t so use a literal tab
* don't fail if we run the script on a package with libs already bundled
* delete header files in the bundled frameworks to save space
* Improve macOS bundling
* Bundle libs for macOS CI
* Add MACOS_BUILD_DMG CMake option and make the CI upload the DMG so we don't lose executable permissions.
* Manually copy plugins if macdeployqt doesn't
* Ad-hoc codesign the app