performance.md: Fix Redis list (#3104)

Author: adriendupuis

docs/infrastructure_and_maintenance/performance.md

@@ -69,7 +69,7 @@ You can build them by running `yarn encore prod`, or by setting the environmenta
 
 ### Redis-compatible data stores
 
-Redis and its alternatives, like Valkey, can in some cases perform better than filesystem cache even with a single server, as it offers better general performance for operations invalidating cache.
+- Redis and its alternatives, like Valkey, can in some cases perform better than filesystem cache even with a single server, as it offers better general performance for operations invalidating cache.
     - However, pure read performance is slower, especially if the next points aren't optimized.
     - With cache being on different node(s) than web server, make sure to try to tune latency between the two.