minor symfony#21287 [Cache] fix small typo in RedisAdapter docs (themasch)

This PR was merged into the 7.3 branch.

Discussion
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[Cache] fix small typo in RedisAdapter docs

I think "or" makes more sense here than "of".

Commits
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3f69ad0 fix small typo in RedisAdapter docs

Author: javiereguiluz

components/cache/adapters/redis_adapter.rst

@@ -9,7 +9,7 @@ Redis Cache Adapter
     article if you are using it in a Symfony application.
 
 This adapter stores the values in-memory using one (or more) `Redis server`_
-of `Valkey`_ server instances.
+or `Valkey`_ server instances.
 
 Unlike the :doc:`APCu adapter </components/cache/adapters/apcu_adapter>`, and similarly to the
 :doc:`Memcached adapter </components/cache/adapters/memcached_adapter>`, it is not limited to the current server's