How to solve keyring in such below
Please help to solve keyring in which deleting the asked one not solving it
$ sudo pacman -S --needed archlinux-keyring
resolving dependencies...
looking for conflicting packages...
Packages (1) archlinux-keyring-20220831-1.1
Total Download Size: 1.10 MiB
Total Installed Size: 1.56 MiB
Net Upgrade Size: 0.11 MiB
:: Proceed with installation? [Y/n]
:: Retrieving packages...
archlinux-keyring-20220831-1.... 1129.0 KiB 36.1 KiB/s 00:31 [##################################] 100%
(1/1) checking keys in keyring [##################################] 100%
(1/1) checking package integrity [##################################] 100%
error: archlinux-keyring: signature from "Dudemanguy <[email protected]>" is unknown trust
:: File /var/cache/pacman/pkg/archlinux-keyring-20220831-1.1-any.pkg.tar.zst is corrupted (invalid or corrupted package (PGP signature)).
Do you want to delete it? [Y/n] y
error: failed to commit transaction (invalid or corrupted package (PGP signature))
Errors occurred, no packages were upgraded
thanks in advance