Fix Garmin Connect i/o in event loop (#34598)

Author: frenck

homeassistant/components/garmin_connect/__init__.py

@@ -38,7 +38,7 @@ async def async_setup_entry(hass: HomeAssistant, entry: ConfigEntry):
     garmin_client = Garmin(username, password)
 
     try:
-        garmin_client.login()
+        await hass.async_add_executor_job(garmin_client.login)
     except (
         GarminConnectAuthenticationError,
         GarminConnectTooManyRequestsError,

homeassistant/components/garmin_connect/config_flow.py

@@ -42,7 +42,7 @@ async def async_step_user(self, user_input=None):
 
         errors = {}
         try:
-            garmin_client.login()
+            await self.hass.async_add_executor_job(garmin_client.login)
         except GarminConnectConnectionError:
             errors["base"] = "cannot_connect"
             return await self._show_setup_form(errors)