Adjust device_automation type hints in shelly (#72139)

homeassistant/components/shelly/device_trigger.py

@@ -108,9 +108,9 @@ async def async_validate_trigger_config(
 
 async def async_get_triggers(
     hass: HomeAssistant, device_id: str
-) -> list[dict[str, Any]]:
+) -> list[dict[str, str]]:
     """List device triggers for Shelly devices."""
-    triggers: list[dict[str, Any]] = []
+    triggers: list[dict[str, str]] = []
 
     if rpc_wrapper := get_rpc_device_wrapper(hass, device_id):
         input_triggers = get_rpc_input_triggers(rpc_wrapper.device)