ci: prevent user from rebasing in minimal way

[project-defiant]

✨ Context

The last release (v1.4) I have rebased the dev -> main branch in PR #619 , which let us to have conflicting branch histories between main and dev. This PR removes the word "REBASE" from the PR label.

🛠 What does this PR implement

🙈 Missing

🚦 Before submitting

• Do these changes cover one single feature (one change at a time)?
• Did you read the contributor guideline?
• Did you make sure to update the documentation with your changes?
• Did you make sure there is no commented out code in this PR?
• Did you follow conventional commits standards in PR title and commit messages?
• Did you make sure the branch is up-to-date with the dev branch?
• Did you write any new necessary tests?
• Did you make sure the changes pass local tests (make test)?
• Did you make sure the changes pass pre-commit rules (e.g poetry run pre-commit run --all-files)?