Add ciphers for latest tls (#49)

* Add ciphers for latest tls

This is related to:
ministryofjustice/cloud-platform#4159

* Updated ciphers to OpenSSL name

* Added additional sll-ciphers

This is taken from:
https://ssl-config.mozilla.org/

templates/values.yaml.tpl

@@ -75,6 +75,7 @@ controller:
 
 %{ if enable_latest_tls }
     ssl-protocols: "TLSv1.2 TLSv1.3"
+    ssl-ciphers: "ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:DHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-SHA384:ECDHE-RSA-AES128-SHA256:ECDHE-RSA-AES256-SHA:ECDHE-RSA-AES128-SHA"
 %{ else ~}  
     # Config below is for old TLS versions. Specifically an incident with IE11 on
     # bank-admin.prisoner-money.service.justice.gov.uk. More info CP Incidents page.