minor symfony#53375 [Cache] synchronize RelayProxy (xabbuh)

This PR was merged into the 6.3 branch.

Discussion
----------

[Cache] synchronize RelayProxy

| Q             | A
| ------------- | ---
| Branch?       | 6.3
| Bug fix?      | no
| New feature?  | no
| Deprecations? | no
| Issues        |
| License       | MIT

Commits
-------

2771e7c synchronize RelayProxy

Author: xabbuh

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

@@ -237,12 +237,12 @@ public function info(...$sections): \Relay\Relay|array|false
         return ($this->lazyObjectState->realInstance ??= ($this->lazyObjectState->initializer)())->info(...\func_get_args());
     }
 
-    public function flushdb($async = false): \Relay\Relay|bool
+    public function flushdb($sync = null): \Relay\Relay|bool
     {
         return ($this->lazyObjectState->realInstance ??= ($this->lazyObjectState->initializer)())->flushdb(...\func_get_args());
     }
 
-    public function flushall($async = false): \Relay\Relay|bool
+    public function flushall($sync = null): \Relay\Relay|bool
     {
         return ($this->lazyObjectState->realInstance ??= ($this->lazyObjectState->initializer)())->flushall(...\func_get_args());
     }
@@ -327,6 +327,11 @@ public function lastsave(): \Relay\Relay|false|int
         return ($this->lazyObjectState->realInstance ??= ($this->lazyObjectState->initializer)())->lastsave(...\func_get_args());
     }
 
+    public function lcs($key1, $key2, $options = null): mixed
+    {
+        return ($this->lazyObjectState->realInstance ??= ($this->lazyObjectState->initializer)())->lcs(...\func_get_args());
+    }
+
     public function bgsave($schedule = false): \Relay\Relay|bool
     {
         return ($this->lazyObjectState->realInstance ??= ($this->lazyObjectState->initializer)())->bgsave(...\func_get_args());