[references] move redis config to common path in settings (#25883)

* [references] move redis config to common path in settings
---------

Co-authored-by: mserranom <mserranom@gmail.com>
GitOrigin-RevId: a5bf258bb71ff40344b53deb8c07dae849b4d00e

server-ce/config/settings.js

@@ -140,6 +140,7 @@ const settings = {
     api: redisConfig,
     pubsub: redisConfig,
     project_history: redisConfig,
+    references: redisConfig,
 
     project_history_migration: {
       host: redisConfig.host,