Update Keyring first!

[gwpl]

describe the request

When I have error "package maybe corrupted, do you want to redownload", I often need to :

# go to another VTV (e.g. crtl+alt+F3)
chroot /mnt/archinstall
/bin/bash
pacman -Sy archlinux-keyring

and then come back to original VTY I have archinstall wauting for answer "should I re-download" ,
I answer yes, and then it works.

Idea:

• shouldn't archinstall try (always or with option/flag) try to upgrade first pacman -Sy archlinux-keyring alone and then again with all packages ? (or in case of failure during the process as fallback mechanism so it would be "should I re-download? [(Y)es/(N)o/(K)eyring update first]... or some other solution?