Fix when to run product validation workflow

gso/schedules/validate_products.py

@@ -11,5 +11,5 @@ from gso.services.processes import count_incomplete_validate_products
 @scheduler(CronScheduleConfig(name="Validate Products and inactive subscriptions", minute="30", hour="2"))
 def validate_products() -> None:
     """Validate all products."""
-    if count_incomplete_validate_products() > 0:
+    if count_incomplete_validate_products() == 0:
         start_process("task_validate_geant_products")