bluejeans-gui: fix version fetching in update script (#140837)

set -eu -o pipefail

version="$(curl -Ls https://www.bluejeans.com/download | \

    pup 'a[aria-label~="Linux"] attr{href}' | \

    #output contains *.deb and *.rpm

    grep "\.rpm" | \

version="$(curl -Ls https://www.bluejeans.com/downloads | \

    pup 'a[href$=".rpm"] attr{href}' | \

    awk -F'[ ._ ]' '{printf $6"."$7"."$8"."$9"\n"}')"

update-source-version bluejeans-gui "$version"