message: Download Doxygen from SourceForge to keep v1.9.4
diff: @@ -35,4 +35,4 @@ docker_debs:
  doxygen_ver: "1.9.4"
  doxygen_bin: "doxygen-{{ doxygen_ver }}.linux.bin.tar.gz"
  -doxygen_url: "https://doxygen.nl/files/{{ doxygen_bin }}"
  +doxygen_url: "https://sourceforge.net/projects/doxygen/files/rel-{{ doxygen_ver }}/{{ doxygen_bin }}/download"
  