Move change logs to GitHub releases via release drafter

enable release drafter
add remark in CHANGELOG.md
update actions via dependabot
use jenkinsci/.github issue templates

Testing done

Manually verified everything works as expected

### Submitter checklist
- [x] Make sure you are opening from a **topic/feature/bugfix branch** (right side) and not your main branch!
- [x] Ensure that the pull request title represents the desired changelog entry
- [x] Please describe what you did
- [ ] Link to relevant issues in GitHub or Jira
- [ ] Link to relevant pull requests, esp. upstream and downstream changes
- [ ] Ensure you have provided tests - that demonstrates feature works or fixes the issue

jenkinsci / badge-plugin

Move change logs to GitHub releases via release drafter #136

Testing done