Change logs for plum source package in Jammy

plum (1:2.33.1-13) unstable; urgency=medium

  * Add debian/salsa-ci.yml
  * debian/control
    - Set debhelper-compat (= 13)
    - Set Standards-Version: 4.5.0

 -- Hideki Yamane <email address hidden>  Thu, 25 Jun 2020 05:56:55 +0900