version 6 to 6.9.2 in travis
version 6 to 6.9.2 in travis

Co-Authored-By: oleurud <f295a99df8f33fd9fdb8113fd5a7bed6caaf9fd9@pm.me>
CartoDB/Windshaft-cartodb,CartoDB/Windshaft-cartodb,CartoDB/Windshaft-cartodb,CartoDB/Windshaft-cartodb