fix script backup for new version duplicity

roles/deploy-web/templates/scw-configrc.j2

@@ -1,6 +1,8 @@
 export AWS_ACCESS_KEY_ID="{{ aws_access_key_id }}"
 export AWS_SECRET_ACCESS_KEY="{{ aws_secret_access_key }}"
-export URL_SCW="s3://{{ url_scw }}/{{ scw_directory }}"
+export SCW_REGION="{{ scw_region }}"
+export SCW_ENDPOINT_URL="https://s3.${SCW_REGION}.scw.cloud"
+export SCW_BUCKET="s3://{{ scw_directory }}"
 
 # GPG Key information
 export PASSPHRASE="{{ passphrase }}"