[#135] Add cache consistency check #284

Job	Run time
ci / check if job needs to run	5s
ci / prepare test matrix	16s
ci / MOODLE_33_STABLE - mariadb - php 7.1 - tool_heartbeat	3m 21s
ci / MOODLE_311_STABLE - mariadb - php 7.3 - tool_heartbeat	3m 41s
ci / MOODLE_310_STABLE - pgsql - php 7.2 - tool_heartbeat	3m 33s
ci / MOODLE_34_STABLE - pgsql - php 7.1 - tool_heartbeat	2m 45s
ci / MOODLE_35_STABLE - mariadb - php 7.1 - tool_heartbeat	3m 52s
ci / MOODLE_35_STABLE - pgsql - php 7.1 - tool_heartbeat	2m 59s
ci / MOODLE_35_STABLE - mariadb - php 7.2 - tool_heartbeat	3m 4s
ci / MOODLE_35_STABLE - pgsql - php 7.2 - tool_heartbeat	2m 55s
ci / MOODLE_36_STABLE - mariadb - php 7.1 - tool_heartbeat	3m 29s
ci / MOODLE_37_STABLE - pgsql - php 7.2 - tool_heartbeat	3m 5s
ci / MOODLE_38_STABLE - mariadb - php 7.3 - tool_heartbeat	3m 14s
ci / MOODLE_39_STABLE - mariadb - php 7.2 - tool_heartbeat	3m 8s
ci / MOODLE_39_STABLE - pgsql - php 7.2 - tool_heartbeat	3m 34s
ci / MOODLE_39_STABLE - mariadb - php 7.3 - tool_heartbeat	3m 20s
ci / MOODLE_400_STABLE - pgsql - php 7.3 - tool_heartbeat	4m 15s
ci / MOODLE_401_STABLE - pgsql - php 7.4 - tool_heartbeat	4m 18s
ci / MOODLE_39_STABLE - pgsql - php 7.3 - tool_heartbeat	3m 22s
ci / MOODLE_401_STABLE - mariadb - php 7.4 - tool_heartbeat	4m 17s
ci / MOODLE_401_STABLE - pgsql - php 8.0 - tool_heartbeat	4m 39s
ci / MOODLE_401_STABLE - mariadb - php 8.0 - tool_heartbeat	4m 7s
ci / Release to the Moodle plugin directory	0s
	1h 11m 19s

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