Log Message:
p5-libwww: update to 6.72.

6.72      2023-07-17 22:01:19Z
    - Don't mangle protocol scheme and don't require it to be valid if
      implementor is already known (GH#436) (mwgamera)

6.71      2023-06-20 19:44:19Z
    - Use rather than require Module::Load (GH#435) (Olaf Alders)