Log Message:
p5-libwww: update to 6.53.

6.53      2021-03-07 16:54:48Z
    - Require HTTP::Daemon 6.12 for test (GH#374, GH#375) (fitzmorrispr, skaji)

6.52      2021-01-07 21:20:51Z
    - Remove block of code which creates message-digest auth request field
      (GH#369) (Olaf Alders)

6.51      2020-12-29 22:09:04Z
    - Fix proxy test on Windows (GH#358) (Olaf Alders)
    - Sort keys in Pod example of constructor defaults (GH#356) (Olaf Alders)

6.50      2020-12-16 18:35:08Z
    - Fix RT #81381 - Make LWP::UserAgent robust to 5.17.6/5.18 hash
      randomization (GH#355) (Yves Orton and Olaf Alders)