Merge pull request #4350 from overleaf/ns-migration-tags

add saas tag to migration

GitOrigin-RevId: 46422b8cb50412e5d521dd6e960ee4c29945fb89

services/web/migrations/20210726083523_convert_confirmedAt_strings_to_dates.js

@@ -1,5 +1,7 @@
 const updateStringDates = require('../scripts/confirmed_at_to_dates.js')
 
+exports.tags = ['saas']
+
 exports.migrate = async client => {
   await updateStringDates()
 }