What's Changed
* Add ExternalDeploymentSensor (1472)
* Deprecate most of the operators and sensors and proxy them to their upstream Apache Airflow providers' deferrable counterparts
* Add deprecation notice docs for astronomer-providers (1468)
* Increase min airflow version to 2.6 (1438)
* Bump mininium python to 3.8 (1442)
**Full Changelog**: https://github.com/astronomer/astronomer-providers/compare/1.18.4...1.19.0