45961.significant.rst

Replace the external_trigger check with DagRunType, and update any logic that relies on external_trigger to use run_type instead.

• Types of change
  • [ ] Dag changes
  • [ ] Config changes
  • [x] API changes
  • [x] CLI changes
  • [ ] Behaviour changes
  • [ ] Plugin changes
  • [ ] Dependency changes
  • [x] Code interface changes
• Migration rules needed
  • ruff
    • AIR302
      • [ ] argument external_trigger in airflow...DAG.create_dagrun
      • [ ] context key dag_run.external_trigger