Prepare for 4.3.2 release #557

Job	Run time
CI test (make validate)	34s
Code coverage (codecov)	25s
Build moodle-plugin-ci.phar	33s
Integration tests (8.2, main)	6m 8s
Integration tests (8.2, MOODLE_403_STABLE)	6m 13s
Integration tests (8.2, MOODLE_402_STABLE)	5m 50s
Integration tests (8.1, MOODLE_401_STABLE)	6m 55s
Integration tests (8.0, MOODLE_400_STABLE)	6m 36s
Integration tests (8.0, MOODLE_311_STABLE)	6m 3s
Integration tests (7.4, MOODLE_39_STABLE)	5m 46s
Integration tests (PHAR) (8.2, main)	5m 42s
Integration tests (PHAR) (8.1, MOODLE_403_STABLE)	5m 42s
Integration tests (PHAR) (8.0, MOODLE_401_STABLE)	6m 35s
Integration tests (PHAR) (7.4, MOODLE_400_STABLE)	5m 41s
	1h 8m 43s

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