Change log severity in ConfigManagingActor

It is not normal to delete config file, write warning it that case.

Signed-off-by: Elzbieta Kotulska <[email protected]>

src/frequenz/sdk/config/_config_managing.py

@@ -190,7 +190,7 @@ async def _run(self) -> None:
         async for event in self._file_watcher:
             if event.type == EventType.DELETE:
                 if event.path in self._config_paths:
-                    _logger.info(
+                    _logger.warning(
                         "%s: The configuration file %s was deleted, ignoring...",
                         self,
                         event.path,