Change default ID field to be BigAutoField.

* Add relevant migration files for all apps.

evennia/scripts/migrations/0016_scriptbase_alter_scriptdb_id_defaultscript_and_more.py

@@ -0,0 +1,20 @@
+# Generated by Django 4.0.2 on 2022-10-31 19:20
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("scripts", "0015_convert_contrib_paths"),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name="scriptdb",
+            name="id",
+            field=models.BigAutoField(
+                auto_created=True, primary_key=True, serialize=False, verbose_name="ID"
+            ),
+        ),
+    ]