Bump various dependencies #538

Job	Run time
CI test (make validate)	28s
Code coverage (codecov)	27s
Build moodle-plugin-ci.phar	51s
Integration tests (8.2, main)	6m 9s
Integration tests (8.2, MOODLE_403_STABLE)	6m 35s
Integration tests (8.2, MOODLE_402_STABLE)	6m 0s
Integration tests (8.1, MOODLE_401_STABLE)	6m 43s
Integration tests (8.0, MOODLE_400_STABLE)	6m 41s
Integration tests (8.0, MOODLE_311_STABLE)	6m 33s
Integration tests (7.4, MOODLE_39_STABLE)	6m 2s
Integration tests (PHAR) (8.2, main)	5m 56s
Integration tests (PHAR) (8.1, MOODLE_403_STABLE)	5m 40s
Integration tests (PHAR) (8.0, MOODLE_401_STABLE)	6m 17s
Integration tests (PHAR) (7.4, MOODLE_400_STABLE)	5m 49s
	1h 10m 11s

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