you would benefit from enabling kubuntu backports and backports-extra
then it would look like this
Operating System: Kubuntu 22.04
KDE Plasma Version: 5.27.9
KDE Frameworks Version: 5.104.0
Qt Version: 5.15.3
Kernel Version: 6.2.0-37-generic (64-bit)
Graphics Platform: X11
#a new repository can be added to apt via discover under
Settings > Software Sources > Other Software > Add
#the form of the syntax is
deb https://ppa.launchpadcontent.net/kubuntu-ppa/backports/ubuntu jammy main
deb https://ppa.launchpadcontent.net/kubuntu-ppa/backports-extra/ubuntu jammy main
brace yourself, as there will be nearly 300 updates waiting for you after you do this.