Standardise geniusheub error levels (#37512)

homeassistant/components/geniushub/__init__.py

@@ -181,14 +181,14 @@ class GeniusBroker:
             await self.client.update()
             if self._connect_error:
                 self._connect_error = False
-                _LOGGER.warning("Connection to geniushub re-established")
+                _LOGGER.info("Connection to geniushub re-established")
         except (
             aiohttp.ClientResponseError,
             aiohttp.client_exceptions.ClientConnectorError,
         ) as err:
             if not self._connect_error:
                 self._connect_error = True
-                _LOGGER.warning(
+                _LOGGER.error(
                     "Connection to geniushub failed (unable to update), message is: %s",
                     err,
                 )