pacman AUR
AUR mkoas
Lines for pacman.conf
[mkoas]
Server = https://repo.mkoas.de
GPG key for packages
gpg --search-key markus@mkoas.de
pacman-key --recv-keys 89F9020BB4298767
pacman-key --finger 89F9020BB4298767
pacman-key --lsign-key 89F9020BB4298767
Alternatively you could use following steps
curl -O https://repo.mkoas.de/markus_mkoas.asc
pacman-key --add markus_mkoas.asc
pacman-key --lsign-key 89F9020BB4298767
Reinstall packages with same package version but newer python/perl
pacman -Qoq /usr/lib/python3.12/ | pacman -Sy -