fix: adjust type of fk from community to doc (#5240)

ietf/community/migrations/0010_doc_ids_are_ints.py

@@ -0,0 +1,21 @@
+# Generated by Django 2.2.28 on 2022-11-05 11:07
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('community', '0009_add_group_exp_rule_to_groups'),
+    ]
+
+    operations = [
+        migrations.RunSQL(
+            sql="alter table community_communitylist_added_docs modify document_id int unsigned not null;",
+            reverse_sql="alter table community_communitylist_added_docs modify document_id varchar(255) not null;"
+        ),
+                migrations.RunSQL(
+            sql="alter table community_searchrule_name_contains_index modify document_id int unsigned not null;",
+            reverse_sql="alter table community_searchrule_name_contains_index modify document_id varchar(255) not null;"
+        ),
+    ]