[5.0.x] Fixed CVE-2024-42005 -- Mitigated QuerySet.values() SQL injection attacks against JSON fields.

Thanks Eyal (eyalgabay) for the report.

tests/expressions/models.py

@@ -107,3 +107,10 @@ class UUIDPK(models.Model):
 class UUID(models.Model):
     uuid = models.UUIDField(null=True)
     uuid_fk = models.ForeignKey(UUIDPK, models.CASCADE, null=True)
+
+
+class JSONFieldModel(models.Model):
+    data = models.JSONField(null=True)
+
+    class Meta:
+        required_db_features = {"supports_json_field"}