message: Update to doxygen 1.9.3
diff: @@ -35,6 +35,6 @@ mbedtls_ver: "2.16.10"
  mbedtls_dir: "mbedtls-{{ mbedtls_ver }}"
  mbedtls_src: "{{ mbedtls_dir }}.tar.gz"
  -doxygen_ver: "1.9.1"
  +doxygen_ver: "1.9.3"
  doxygen_bin: "doxygen-{{ doxygen_ver }}.linux.bin.tar.gz"
  doxygen_url: "https://doxygen.nl/files/{{ doxygen_bin }}"
  