TT#47713 fix table locks in 15251_not_replicated.up

* addresses an issue with the foreign key cannot be
      recreated as it relies on the lnp_providers table,
      affected since MariaDB 10.1.37

Change-Id: I785fcae727e975839c710f327bd10a659384c39c

db_scripts/diff/15251_not_replicated.up

@@ -9,7 +9,7 @@ WHERE
   a.id < b.id
   and (a.number = b.number and a.lnp_provider_id = b.lnp_provider_id);
 
-LOCK TABLES lnp_numbers WRITE;
+LOCK TABLES lnp_numbers WRITE, lnp_providers WRITE;
 
 ALTER TABLE lnp_numbers DROP FOREIGN KEY `l_n_lnpproid_ref`;
 CREATE UNIQUE INDEX l_n_lnpproidnumber_idx ON lnp_numbers (lnp_provider_id,number);