Add missing NOT NULL on more columns from "large but valid" tables (#33330)

app/models/account_note.rb

@@ -5,11 +5,11 @@
 # Table name: account_notes
 #
 #  id                :bigint(8)        not null, primary key
-#  account_id        :bigint(8)
-#  target_account_id :bigint(8)
 #  comment           :text             not null
 #  created_at        :datetime         not null
 #  updated_at        :datetime         not null
+#  account_id        :bigint(8)        not null
+#  target_account_id :bigint(8)        not null
 #
 class AccountNote < ApplicationRecord
   include RelationshipCacheable