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

Thanks Eyal (eyalgabay) for the report.

tests/expressions/models.py

@@ -111,3 +111,10 @@ class UUID(models.Model):
 
 class Text(models.Model):
     name = models.TextField()
+
+
+class JSONFieldModel(models.Model):
+    data = models.JSONField(null=True)
+
+    class Meta:
+        required_db_features = {"supports_json_field"}