Change logs for docx2txt source package in Groovy

docx2txt (1.4-2) unstable; urgency=medium

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

  [ Barak A. Pearlmutter ]
  * bump policy version
  * bump to debhelper 12

 -- Barak A. Pearlmutter <email address hidden>  Tue, 06 Aug 2019 22:56:39 +0200