26150e groups.d/251.native_packages_lib.group: libxml2: bump to v2.12.6

Authored and Committed by Redfoxmoon 9 months ago
    groups.d/251.native_packages_lib.group: libxml2: bump to v2.12.6
    
    Signed-off-by: Ørjan Malde <red@foxi.me>