burpsuite: fix update script to avoid downgrades (#458771)

SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" &>/dev/null && pwd)"

curl -s 'https://portswigger.net/burp/releases/data' |

  jq -r '

      [[

        .ResultSet.Results[]

        | select(

            (.categories | sort) == (["Professional","Community"] | sort)

            and .releaseChannels == ["Early Adopter"]

          )

      ][0].builds[]

curl -s 'https://portswigger.net/burp/releases/data' | jq -r '

      def verarr: (.Version // "") | split(".") | map(tonumber? // 0);

      [ .ResultSet.Results[]

        | select((.categories|sort) == (["Professional","Community"]|sort))

        | .builds[]

        | select(.ProductPlatform == "Jar")

    ]' >latest.json

      ] as $all

      | ($all | max_by( (.Version // "") | split(".") | map(tonumber? // 0) ) | .Version) as $v

      | $all | map(select(.Version == $v))

      ' > latest.json

version=$(jq -r '.[0].Version' latest.json)