Change logs for plum source package in Focal

plum (1:2.33.1-12) unstable; urgency=medium

  [ Ondřej Nový ]
  * d/copyright: Use https protocol in Format field
  * d/changelog: Remove trailing whitespaces

  [ Hideki Yamane ]
  * debian/control
    - use dh12
    - set Standards-Version: 4.4.1
    - use ${perl:Depends}, instead of just specifying perl
    - use https for Homepage:

 -- Hideki Yamane <email address hidden>  Sat, 05 Oct 2019 01:55:46 +0900

plum (1:2.33.1-11) unstable; urgency=medium

  * debian/control
    - Set Standards-Version: 4.2.1 with no change
    - Update Vcs-* to point salsa.debian.org
  * Use dh11
  * Leap version to 1:2.33.1-11, to deal with lintian warning
    "latest-debian-changelog-entry-reuses-existing-version"

 -- Hideki Yamane <email address hidden>  Wed, 29 Aug 2018 19:46:28 +0900