* Uses the same supporting code as used in EE
* Includes automated cleanup
* Install external-dns helm chart to review apps cluster if it isn't
already
* Adds variables REVIEW_APPS_AWS_SECRET_KEY and
REVIEW_APPS_AWS_ACCESS_key
* review-apps-ce uses a different cipher
- Stop review app's environment after 2 days
- Delete review app's environment after 3 days
- Delete Helm release after 4 days
Signed-off-by: Rémy Coutable <remy@rymai.me>