FTBFS in Hirsute

https://launchpad.net/ubuntu/+source/youker-assistant/3.0.2-0ubuntu2/+build/20316829
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processlistwidget.cpp: In member function ‘virtual void ProcessListWidget::paintEvent(QPaintEvent*)’:
processlistwidget.cpp:708:18: error: aggregate ‘QPainterPath framePath’ has incomplete type and cannot be defined
  708 | QPainterPath framePath;
      | ^~~~~~~~~
processlistwidget.cpp:714:22: error: aggregate ‘QPainterPath titlePath’ has incomplete type and cannot be defined
  714 | QPainterPath titlePath;
      | ^~~~~~~~~
processlistwidget.cpp:752:30: error: aggregate ‘QPainterPath h_separatorPath’ has incomplete type and cannot be defined
  752 | QPainterPath h_separatorPath;
      | ^~~~~~~~~~~~~~~
processlistwidget.cpp:757:34: error: aggregate ‘QPainterPath v_separatorPath’ has incomplete type and cannot be defined
  757 | QPainterPath v_separatorPath;
      | ^~~~~~~~~~~~~~~
processlistwidget.cpp:773:18: error: aggregate ‘QPainterPath backgroundPath’ has incomplete type and cannot be defined
  773 | QPainterPath backgroundPath;
      | ^~~~~~~~~~~~~~
processlistwidget.cpp:778:18: error: aggregate ‘QPainterPath scrollAreaPath’ has incomplete type and cannot be defined
  778 | QPainterPath scrollAreaPath;
      | ^~~~~~~~~~~~~~
processlistwidget.cpp:784:26: error: aggregate ‘QPainterPath itemPath’ has incomplete type and cannot be defined
  784 | QPainterPath itemPath;
      | ^~~~~~~~
processlistwidget.cpp: In member function ‘void ProcessListWidget::paintScrollbar(QPainter*)’:
processlistwidget.cpp:860:22: error: aggregate ‘QPainterPath path’ has incomplete type and cannot be defined
  860 | QPainterPath path;
      | ^~~~
processlistwidget.cpp: In member function ‘void ProcessListWidget::sortItemsByColumn(int, bool)’:
processlistwidget.cpp:985:14: warning: ‘void qSort(RandomAccessIterator, RandomAccessIterator, LessThan) [with RandomAccessIterator = QList<ProcessListItem*>::iterator; LessThan = ProcessListWidget::sortItemsByColumn(int, bool)::<lambda(const ProcessListItem*, const ProcessListItem*)>]’ is deprecated: Use std::sort [-Wdeprecated-declarations]
  985 | });
      | ^
In file included from /usr/include/x86_64-linux-gnu/qt5/QtCore/qlist.h:43,
                 from /usr/include/x86_64-linux-gnu/qt5/QtCore/qobject.h:49,
                 from /usr/include/x86_64-linux-gnu/qt5/QtCore/QObject:1,
                 from processlistitem.h:24,
                 from processlistwidget.h:24,
                 from processlistwidget.cpp:20:
/usr/include/x86_64-linux-gnu/qt5/QtCore/qalgorithms.h:181:46: note: declared here
  181 | QT_DEPRECATED_X("Use std::sort") inline void qSort(RandomAccessIterator start, RandomAccessIterator end, LessThan lessThan)
      | ^~~~~
make[4]: *** [Makefile:1440: .obj/processlistwidget.o] Error 1
make[4]: Leaving directory '/<<PKGBUILDDIR>>/plugins/systemmonitor'
make[3]: *** [Makefile:74: sub-systemmonitor-make_first] Error 2
make[3]: *** Waiting for unfinished jobs....
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