[OU-FIX] account_credit_control: Remove comma

It was working, but better to not introduce such typo.

account_credit_control/migrations/11.0.1.0.0/pre-migration.py

@@ -14,7 +14,7 @@ def migrate(env, version):
     openupgrade.rename_columns(
         env.cr, {
             "credit_run_policy_rel": [
-                ("credit_control_run_id", "run_id,"),
+                ("credit_control_run_id", "run_id"),
                 ("credit_control_policy_id", "policy_id"),
             ]
         }