make generate_changelog puts all MRs in the other changes section

The following discussion from !135 (merged) should be addressed:

• @vshushlin started a discussion: (+2 comments)

  @jaime can you review/merge?

  Thanks, @ali-gitlab! I guess you have a new mac, that's why make_changelog doesn't work for you. It "works on my machine": !136 (diffs) 😄

  Can you prioritize the fix for it from #148 (closed)?