GUACAMOLE-1364: Unify translations of SSO extensions.

extensions/guacamole-auth-sso/modules/guacamole-auth-sso-saml/src/main/resources/guac-manifest.json

@@ -11,10 +11,14 @@
 
     "translations" : [
         "translations/ca.json",
+        "translations/de.json",
         "translations/en.json",
-        "translations/ko.json",
         "translations/fr.json",
-        "translations/pt.json"
+        "translations/ja.json",
+        "translations/ko.json",
+        "translations/pt.json",
+        "translations/ru.json",
+        "translations/zh.json"
     ]
 
 }