Updating constraints. GH run id:213841848

This update in constraints is automatically committed by CI pushing
reference 'refs/heads/v1-10-test' to apache/airflow with commit sha
c44fddfafb5b9c58b40c8c4987102a049c26f1b9.

All tests passed in this build so we determined we can push the updated constraints.

See https://github.com/apache/airflow/blob/master/README.md#installing-from-pypi for details.
5 files changed