Fix assertObjectHasAttribute deprecation warning (Moodle 4.5 compatib… #503

Job	Run time
ci / check if job needs to run	4s
ci / prepare test matrix	11s
ci / MOODLE_401_STABLE - pgsql - php 7.4 - mod_cms	3m 10s
ci / MOODLE_401_STABLE - mariadb - php 7.4 - mod_cms	3m 2s
ci / MOODLE_401_STABLE - pgsql - php 8.0 - mod_cms	3m 19s
ci / MOODLE_401_STABLE - mariadb - php 8.0 - mod_cms	3m 24s
ci / MOODLE_402_STABLE - pgsql - php 8.0 - mod_cms	3m 4s
ci / MOODLE_402_STABLE - mariadb - php 8.0 - mod_cms	2m 42s
ci / MOODLE_402_STABLE - pgsql - php 8.1 - mod_cms	2m 49s
ci / MOODLE_402_STABLE - mariadb - php 8.1 - mod_cms	2m 43s
ci / MOODLE_403_STABLE - pgsql - php 8.0 - mod_cms	2m 53s
ci / MOODLE_403_STABLE - mariadb - php 8.0 - mod_cms	3m 4s
ci / MOODLE_403_STABLE - pgsql - php 8.2 - mod_cms	3m 8s
ci / MOODLE_403_STABLE - mariadb - php 8.2 - mod_cms	3m 11s
ci / MOODLE_404_STABLE - mariadb - php 8.1 - mod_cms	3m 18s
ci / MOODLE_404_STABLE - pgsql - php 8.1 - mod_cms	3m 2s
ci / MOODLE_404_STABLE - pgsql - php 8.3 - mod_cms	3m 19s
ci / MOODLE_404_STABLE - mariadb - php 8.3 - mod_cms	3m 17s
ci / MOODLE_405_STABLE - pgsql - php 8.1 - mod_cms	3m 5s
ci / MOODLE_405_STABLE - mariadb - php 8.1 - mod_cms	3m 12s
ci / MOODLE_405_STABLE - pgsql - php 8.3 - mod_cms	3m 31s
ci / MOODLE_405_STABLE - mariadb - php 8.3 - mod_cms	3m 6s
ci / Release to the Moodle plugin directory	0s
	1h 2m 34s

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