Enforce type hints for backup and cast platforms (#72223)
Enforce type hints for backup and cast platforms (#72223)

* Enforce backup type hints

* Enforce cast type hints
nkgilley/home-assistant,mezz64/home-assistant,toddeye/home-assistant,w1ll1am23/home-assistant,mezz64/home-assistant,toddeye/home-assistant,nkgilley/home-assistant,w1ll1am23/home-assistant