Replaced unencrypted columns of user data credentials in moodle confi… #5181

Job	Run time
run_tests (3.8, quality)	1m 56s
run_tests (3.8, docs)	1m 37s
run_tests (3.8, django32-celery53)	7m 51s
run_tests (3.8, django42-celery53)	11m 37s
run_tests (3.8, django32-pii-annotations)	7m 48s
	30m 49s

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