0.6.5

- [X] Create backlog
- [X] Update version
- [X] Maintenance - Revert tests back to ert-deftest to have more explicit error outputs
- [X] Fix unit tests
- [X] Fix CI which does not break when failure or error.
- [X] Format user's comments in a readable format - https://github.com/org-trello/org-trello/issues/218 [2/2]
  - [X] Update the comment's format according to https://github.com/org-trello/org-trello/issues/218#issue-48750430
  - [X] Update the `org-trello/add-card-comments` command to improve creating comment
- [X] Release notes