Maybe try with ubuntu key server.
# /etc/pacman.d/gnupg/gpg.conf
keyserver hkp://keyserver.ubuntu.com
Even better read this:
https://wiki.archlinux.org/title/Pacman/Package_signing#Cannot_import_keys
Maybe try with ubuntu key server.
# /etc/pacman.d/gnupg/gpg.conf
keyserver hkp://keyserver.ubuntu.com
Even better read this:
https://wiki.archlinux.org/title/Pacman/Package_signing#Cannot_import_keys