[#628] Add compression connector #2985

Job	Run time
ci / check if job needs to run	6s
ci / prepare test matrix	11s
ci / MOODLE_310_STABLE - pgsql - php 7.2 - tool_dataflows	4m 37s
ci / MOODLE_311_STABLE - mariadb - php 7.3 - tool_dataflows	5m 20s
ci / MOODLE_35_STABLE - mariadb - php 7.1 - tool_dataflows	6m 25s
ci / MOODLE_35_STABLE - pgsql - php 7.1 - tool_dataflows	4m 11s
ci / MOODLE_35_STABLE - pgsql - php 7.2 - tool_dataflows	4m 44s
ci / MOODLE_35_STABLE - mariadb - php 7.2 - tool_dataflows	6m 42s
ci / MOODLE_36_STABLE - mariadb - php 7.1 - tool_dataflows	6m 47s
ci / MOODLE_37_STABLE - pgsql - php 7.2 - tool_dataflows	5m 30s
ci / MOODLE_38_STABLE - mariadb - php 7.3 - tool_dataflows	6m 3s
ci / MOODLE_39_STABLE - mariadb - php 7.2 - tool_dataflows	7m 20s
ci / MOODLE_39_STABLE - pgsql - php 7.2 - tool_dataflows	4m 15s
ci / MOODLE_39_STABLE - mariadb - php 7.3 - tool_dataflows	6m 18s
ci / MOODLE_39_STABLE - pgsql - php 7.3 - tool_dataflows	4m 30s
ci / MOODLE_400_STABLE - pgsql - php 7.3 - tool_dataflows	4m 23s
ci / MOODLE_401_STABLE - mariadb - php 7.4 - tool_dataflows	7m 30s
ci / MOODLE_401_STABLE - pgsql - php 7.4 - tool_dataflows	6m 10s
ci / MOODLE_401_STABLE - mariadb - php 8.0 - tool_dataflows	9m 38s
ci / MOODLE_401_STABLE - pgsql - php 8.0 - tool_dataflows	4m 50s
ci / Release to the Moodle plugin directory	0s
	1h 45m 30s

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