message: CI: Update instructions how to setup freebsd image
diff: timestamps {
  node('freebsd') {
  - // freebsd 10.3 + pkg install git openjdk cmake icu pkgconf swig30 python3 boost-libs gettext-tools qt5-buildtools qt5-network qt5-qmake
  + // freebsd 13.1 + pkg install git openjdk17 cmake icu pkgconf swig python3 boost-libs gettext-tools qt5-buildtools qt5-network qt5-qmake
  timeout(time: 30, unit: 'MINUTES') {
  def wsdir = pwd()
  stage('Checkout') {
  