ruff: add ARG linter

this mostly either removes unused parameters, prefixes them with an
underscore or uses the @override decorator to tell the linter, that that
method comes from a superclass and can't be changed

media_manager/scheduler.py

@@ -15,7 +15,7 @@ from media_manager.tv.service import (
 )
 
 
-def setup_scheduler(config, log):
+def setup_scheduler(config):
     from media_manager.database import init_engine
 
     init_engine(config.database)