Update migration with previous changes

This was missed in ab36183fda. It's not a
change that actually changes the database in any way, so no need to
create an actual migration.

pgweb/news/migrations/0003_news_tags.py

@@ -19,6 +19,7 @@ class Migration(migrations.Migration):
                 ('name', models.CharField(max_length=32)),
                 ('description', models.CharField(max_length=200)),
             ],
+            options={'ordering': ('urlname',)},
         ),
         migrations.AlterField(
             model_name='newsarticle',