Update forum migrations

widget_alipins/forum/migrations/0005_alter_post_pub_date.py

+# Generated by Django 3.2.12 on 2022-05-21 10:03
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('forum', '0004_post_post_image'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='post',
+            name='pub_date',
+            field=models.DateTimeField(auto_now_add=True, verbose_name='date published'),
+        ),
+    ]