Unify all menus on lib/menu.sh (run_menu), harden GPU/GRUB writes with
two-tier confirms and markers, fix remote/self-update to Releases assets,
and close real CI quality gates with SHA256SUMS. Bump to 11.0.0 / Liino.
sort -V treats "-beta" suffix as lexicographically greater than plain
version, causing 10.0.0-beta to appear newer than 10.0.0.
Strip -beta/-alpha/-rc before comparing to fix this.