minor symfony#57070 [Cache] sync Relay proxy (xabbuh)

This PR was merged into the 6.4 branch.

Discussion
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[Cache] sync Relay proxy

| Q             | A
| ------------- | ---
| Branch?       | 6.4
| Bug fix?      | no
| New feature?  | no
| Deprecations? | no
| Issues        |
| License       | MIT

Commits
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55185b8 sync Relay proxy

Author: xabbuh

src/Symfony/Component/Cache/Traits/RelayProxy.php

@@ -276,6 +276,11 @@ public function replicaof($host = null, $port = 0): \Relay\Relay|bool
         return ($this->lazyObjectState->realInstance ??= ($this->lazyObjectState->initializer)())->replicaof(...\func_get_args());
     }
 
+    public function waitaof($numlocal, $numremote, $timeout): \Relay\Relay|array|false
+    {
+        return ($this->lazyObjectState->realInstance ??= ($this->lazyObjectState->initializer)())->waitaof(...\func_get_args());
+    }
+
     public function restore($key, $ttl, $value, $options = null): \Relay\Relay|bool
     {
         return ($this->lazyObjectState->realInstance ??= ($this->lazyObjectState->initializer)())->restore(...\func_get_args());