[airflow] 02/02: Update documentation regarding Python 3.9 support (#17611)

This is an automated email from the ASF dual-hosted git repository. kaxilnaik pushed a commit to branch v2-1-test in repository https://gitbox.apache.org/repos/asf/airflow.git commit f77cdb625b8e989344c7efe979dea881c2b4295d Author: Gabe Flores AuthorDate: Fri Aug 13 19:15:44 2021 -0500 Upda

[airflow] 02/02: Update documentation regarding Python 3.9 support (#17611)

This is an automated email from the ASF dual-hosted git repository. kaxilnaik pushed a commit to branch v2-1-test in repository https://gitbox.apache.org/repos/asf/airflow.git commit be94da88f58d35cbab9fd4cc227326fd87042874 Author: Gabe Flores AuthorDate: Fri Aug 13 19:15:44 2021 -0500 Upda