feat: fix django require version, use openedx repositori #229

Job	Run time
collect-and-verify (3.8, 3.2)	5m 24s
gh-hosted-python-3.8,django-3.2,lms-1	12m 50s
gh-hosted-python-3.8,django-3.2,lms-2	9m 0s
gh-hosted-python-3.8,django-3.2,lms-3	17m 14s
gh-hosted-python-3.8,django-3.2,lms-4	16m 19s
gh-hosted-python-3.8,django-3.2,lms-5	10m 10s
gh-hosted-python-3.8,django-3.2,lms-6	13m 39s
gh-hosted-python-3.8,django-3.2,openedx-1	13m 2s
gh-hosted-python-3.8,django-3.2,openedx-2	14m 1s
gh-hosted-python-3.8,django-3.2,openedx-3	9m 5s
gh-hosted-python-3.8,django-3.2,openedx-4	6m 0s
gh-hosted-python-3.8,django-3.2,cms-1	5m 8s
gh-hosted-python-3.8,django-3.2,cms-2	17m 4s
gh-hosted-python-3.8,django-3.2,common-1	10m 11s
gh-hosted-python-3.8,django-3.2,common-2	11m 24s
gh-hosted-python-3.8,django-3.2,common-3	6m 14s
	2h 56m 45s

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