Add the current version to the starting log to aid troubleshooting (home-assistant#148271)

Author: ludeeus

homeassistant/core.py

@@ -532,7 +532,7 @@ async def async_start(self) -> None:
 
         This method is a coroutine.
         """
-        _LOGGER.info("Starting Home Assistant")
+        _LOGGER.info("Starting Home Assistant %s", __version__)
 
         self.set_state(CoreState.starting)
         self.bus.async_fire_internal(EVENT_CORE_CONFIG_UPDATE)