Mark config flow fields as required (#51898)

* flo

* goalzero

* mutesync

* ring

* roon

* risco

* Ruckus Unleashed

* Scaffold template

script/scaffold/templates/config_flow/integration/config_flow.py

@@ -16,7 +16,13 @@ from .const import DOMAIN
 _LOGGER = logging.getLogger(__name__)
 
 # TODO adjust the data schema to the data that you need
-STEP_USER_DATA_SCHEMA = vol.Schema({"host": str, "username": str, "password": str})
+STEP_USER_DATA_SCHEMA = vol.Schema(
+    {
+        vol.Required("host"): str,
+        vol.Required("username"): str,
+        vol.Required("password"): str,
+    }
+)
 
 
 class PlaceholderHub: