Set renault quality scale to platinum (#85753)

* Set renault quality scale to platinum

* Ensure coordinators do not run at the same time

* Add comment

homeassistant/components/renault/manifest.json

@@ -7,5 +7,6 @@
   "requirements": ["renault-api==0.1.11"],
   "codeowners": ["@epenet"],
   "iot_class": "cloud_polling",
-  "loggers": ["renault_api"]
+  "loggers": ["renault_api"],
+  "quality_scale": "platinum"
 }

homeassistant/components/renault/renault_coordinator.py

@@ -1,6 +1,7 @@
 """Proxy to handle account communication with Renault servers."""
 from __future__ import annotations
 
+import asyncio
 from collections.abc import Awaitable, Callable
 from datetime import timedelta
 import logging
@@ -18,6 +19,9 @@ from homeassistant.helpers.update_coordinator import DataUpdateCoordinator, Upda
 
 T = TypeVar("T", bound=Optional[KamereonVehicleDataAttributes])
 
+# We have potentially 7 coordinators per vehicle
+_PARALLEL_SEMAPHORE = asyncio.Semaphore(1)
+
 
 class RenaultDataUpdateCoordinator(DataUpdateCoordinator[T]):
     """Handle vehicle communication with Renault servers."""
@@ -47,7 +51,8 @@ class RenaultDataUpdateCoordinator(DataUpdateCoordinator[T]):
         if self.update_method is None:
             raise NotImplementedError("Update method not implemented")
         try:
-            return await self.update_method()
+            async with _PARALLEL_SEMAPHORE:
+                return await self.update_method()
         except AccessDeniedException as err:
             # Disable because the account is not allowed to access this Renault endpoint.
             self.update_interval = None