Log Message:
Update to 6.29

Upstream changes:
6.29      2021-03-06 04:50:34Z
    - fix issue with HTTP::Request internal cache for canonical url when using
      URI::URL (GH#146) (andrew-grechkin)

6.28      2021-02-19 16:22:13Z
    - fix warnings during HTTP::Config->match #62 (GH#152) (Viťas Strádal)

6.27      2021-01-05 03:02:01Z
    - Clean up backcompat code (GH#148) (Dan Book)
    - Add "308 Permanent Redirect" to is_cacheable_by_default (GH#150) \ 
(simbabque)