loongson/pypi: links for apache-airflow-backport-providers-telegram

loongson/mirror apache-airflow-backport-providers-telegram-2021.3.3.tar.gz
loongson/mirror apache_airflow_backport_providers_telegram-2021.3.3-py3-none-any.whl
loongson/mirror apache-airflow-backport-providers-telegram-2021.3.3rc1.tar.gz
loongson/mirror apache_airflow_backport_providers_telegram-2021.3.3rc1-py3-none-any.whl