fix: replace py2neo with forked package #309

Job	Run time
collect-and-verify (3.8, 3.2)	5m 16s
gh-hosted-python-3.8,django-3.2,lms-1	16m 7s
gh-hosted-python-3.8,django-3.2,lms-2	10m 49s
gh-hosted-python-3.8,django-3.2,lms-3	17m 57s
gh-hosted-python-3.8,django-3.2,lms-4	14m 14s
gh-hosted-python-3.8,django-3.2,lms-5	9m 37s
gh-hosted-python-3.8,django-3.2,lms-6	14m 54s
gh-hosted-python-3.8,django-3.2,openedx-1	11m 59s
gh-hosted-python-3.8,django-3.2,openedx-2	14m 6s
gh-hosted-python-3.8,django-3.2,openedx-3	8m 25s
gh-hosted-python-3.8,django-3.2,openedx-4	4m 22s
gh-hosted-python-3.8,django-3.2,cms-1	4m 27s
gh-hosted-python-3.8,django-3.2,cms-2	16m 2s
gh-hosted-python-3.8,django-3.2,common-1	11m 6s
gh-hosted-python-3.8,django-3.2,common-2	12m 38s
gh-hosted-python-3.8,django-3.2,common-3	4m 46s
	2h 56m 45s

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