[1.11.x] Fixed #28689 -- Fixed unquoted table names in Subquery SQL when using OuterRef.

Regression in f48bc7c3db.

Backport of 81e357a7e1 from master

tests/expressions/models.py

@@ -56,6 +56,7 @@ class Experiment(models.Model):
     end = models.DateTimeField()
 
     class Meta:
+        db_table = 'expressions_ExPeRiMeNt'
         ordering = ('name',)
 
     def duration(self):