Bump moodle-cs to v3.3.9 #299

Job	Run time
test (8.2, master, pgsql)	5m 52s
test (8.2, master, mariadb)	4m 33s
test (8.2, MOODLE_402_STABLE, pgsql)	4m 55s
test (8.1, MOODLE_401_STABLE, pgsql)	6m 16s
test (8, MOODLE_400_STABLE, pgsql, xmlrpc-beta)	5m 52s
test (8, MOODLE_311_STABLE, pgsql, xmlrpc-beta)	6m 3s
test (7.4, MOODLE_310_STABLE, pgsql)	4m 50s
test (7.4, MOODLE_39_STABLE, pgsql)	4m 48s
test (7.4, MOODLE_38_STABLE, pgsql)	5m 4s
test (8, master, pgsql)	6m 6s
test (8, master, mariadb)	6m 16s
test (8, MOODLE_402_STABLE, pgsql)	4m 48s
test (7.4, MOODLE_401_STABLE, pgsql)	5m 26s
	1h 10m 49s

Provide feedback