Configure the correct service url in heroku
Configure the correct service url in heroku

For review apps it was configured to the dev environment, which breaks the CSP
because it makes a request to the dev enviornment url which is not whitelisted.

ministryofjustice/prison-visits-2,ministryofjustice/prison-visits-2,ministryofjustice/prison-visits-2,ministryofjustice/prison-visits-2