* feat(ci.yml): add labeler job to automatically add 'lgtm' label when pull request review is approved
* ci(ci.yml): add dependency on labeler job to ensure it runs before the ci job
* chore(ci.yml): remove unnecessary condition for labeler job in CI workflow
* refactor(ci.yml): remove unnecessary condition for labeler job in CI workflow
* refactor(ci.yml): update CI workflow to include labeled pull requests in the trigger conditions