NEWS: mention pkgdb changes and 'xbps-uhelper updatepkgdb'.
NEWS: mention pkgdb changes and 'xbps-uhelper updatepkgdb'.

stpx/xbps,datenwolf/xbps,ebfe/xbps,stpx/xbps,datenwolf/xbps,stpx/xbps,ebfe/xbps,datenwolf/xbps,ebfe/xbps