Problem statement
Description
Squashing migrations with Meta.index_together -> Meta.indexes transition should remove deprecation warnings. As far as I'm aware, it's a 4.2 release blocker because you cannot get rid of the index_together deprecation warnings without rewriting migrations, see comment.
The environment starts at commit
c61219a7ae05 (django/django 5.0), dependencies installed and tests runnable from the first minute. You are graded by hidden tests taken from the fix that was actually merged upstream.