fix: add audit log exception to schedules

backend/migrations/20240531202816_add_schedule_audit_log_rule.down.sql

@@ -0,0 +1,2 @@
+-- Add down migration script here
+DROP POLICY "schedule_audit" on audit;

backend/migrations/20240531202816_add_schedule_audit_log_rule.up.sql

@@ -0,0 +1,4 @@
+-- Add up migration script here
+CREATE POLICY "schedule_audit" on audit FOR INSERT
+      TO windmill_user
+      WITH CHECK (((parameters->>'end_user')::text ~~ 'schedule-%'::text));