fix(upgrade): increase session timeouts in verify_db_data

Increase session timeouts for data validation sdcm.fill_db_data.FillDatabaseData.verify_db_data:

cassandra.OperationTimedOut: errors={'10.4.3.124:9042': 'Client request timeout.
See Session.execute[_async](timeout)'}, last_host=10.4.3.124:9042

sdcm/fill_db_data.py

@@ -3359,9 +3359,10 @@ def prepare_keyspaces_and_tables(self):
     def verify_db_data(self):
         # Prepare connection
         node = self.db_cluster.nodes[0]
-        with self.db_cluster.cql_connection_patient(node, keyspace=self.base_ks) as session:
+        with self.db_cluster.cql_connection_patient(node, keyspace=self.base_ks, connect_timeout=600) as session:
             # override driver consistency level
             session.default_consistency_level = ConsistencyLevel.QUORUM
+            session.default_timeout = 60 * 5
             self.run_db_queries(session, session.default_fetch_size)
 
     def paged_query(self, keyspace='keyspace_complex'):