Completely broken in Debian 13, missing core packages, cannot install!
# apt install libcairo2-dev libgirepository1.0-dev python3-pyqt5 python3-pyqt5.qtwebengine python3-pyqt5.qtwebchannel libqt5webkit5-dev gir1.2-webkit2-4.0
Package gir1.2-webkit2-4.0 is not available, but is referred to by another package.
This may mean that the package is missing, has been obsoleted, or
is only available from another source
Error: Unable to locate package libqt5webkit5-dev
Error: Package 'gir1.2-webkit2-4.0' has no installation candidate
Completely broken in Debian 13, missing core packages, cannot install!