Fix Adhoc task failed: mod_cms\task\update_files_context,Class 'csv_e… #500

Job	Run time
ci / check if job needs to run	5s
ci / prepare test matrix	13s
ci / MOODLE_310_STABLE - pgsql - php 7.2 - mod_cms	3m 19s
ci / MOODLE_39_STABLE - mariadb - php 7.2 - mod_cms	3m 12s
ci / MOODLE_311_STABLE - mariadb - php 7.3 - mod_cms	3m 12s
ci / MOODLE_39_STABLE - pgsql - php 7.2 - mod_cms	3m 15s
ci / MOODLE_39_STABLE - mariadb - php 7.3 - mod_cms	3m 3s
ci / MOODLE_39_STABLE - pgsql - php 7.3 - mod_cms	3m 20s
ci / MOODLE_400_STABLE - pgsql - php 7.3 - mod_cms	3m 21s
ci / MOODLE_401_STABLE - pgsql - php 7.4 - mod_cms	2m 51s
ci / MOODLE_401_STABLE - mariadb - php 7.4 - mod_cms	3m 5s
ci / MOODLE_401_STABLE - pgsql - php 8.0 - mod_cms	3m 12s
ci / MOODLE_401_STABLE - mariadb - php 8.0 - mod_cms	3m 24s
ci / Release to the Moodle plugin directory	0s
	35m 32s

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