Update black target version to 3.9+ (#65260)
Update black target version to 3.9+ (#65260)


rohitranjan1991/home-assistant,mezz64/home-assistant,toddeye/home-assistant,GenericStudent/home-assistant,w1ll1am23/home-assistant,nkgilley/home-assistant,nkgilley/home-assistant,rohitranjan1991/home-assistant,toddeye/home-assistant,mezz64/home-assistant,rohitranjan1991/home-assistant,w1ll1am23/home-assistant,GenericStudent/home-assistant