increase filesize column size to allow for large (>1gb) attachments

db/migrate/20200907090753_change_attachment_filesize_to_big_int.rb

@@ -0,0 +1,11 @@
+class ChangeAttachmentFilesizeToBigInt < ActiveRecord::Migration[6.0]
+  def up
+    change_column :attachments, :filesize, :integer, limit: 8
+    change_column :attachment_journals, :filesize, :integer, limit: 8
+  end
+
+  def down
+    change_column :attachments, :filesize, :integer, limit: 4
+    change_column :attachment_journals, :filesize, :integer, limit: 4
+  end
+end