[AIRFLOW-XXX] Update date in changelog
[AIRFLOW-XXX] Update version to 1.10.6
[AIRFLOW-XXX] Bump version to 1.10.5
[AIRFLOW-XXX] Update changelog for 1.10.4rc5
[AIRFLOW-XXX] Update changelog for 1.10.4rc4
[AIRFLOW-XXX] Update changelog for 1.10.4rc3
[AIRFLOW-XXX] Changelog for 1.10.4rc2