Last changes in pytest-django makes django-migrations-ci not compatible

[insspb]

The way of pytest-django config is changed, and django-migrations-ci pytest plugin detection at

django-migrations-ci/django_migrations_ci/pytest_plugin.py

Lines 33 to 37 in bc19219

	try:
	from pytest_django.plugin import _blocking_manager
	db_unblock = _blocking_manager.unblock
	except ImportError:

not work anymore.

Changed lines:

pytest-dev/pytest-django@v4.6.0...v4.7.0#diff-120a0c7749b191d7a49ee491cb042bf5952a09689a31802bebc88fba3ca94c98L802-L803

[iurisilvio]

Thanks for the report @insspb! A fix was released today in version 0.9.

I added some tests to validate, but let me know if it works for you.