minor #13382 [Messenger] Update messenger in memory config (94noni)

This PR was merged into the 4.4 branch.

Discussion
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[Messenger] Update messenger in memory config

Update messenger in memory config

Related to https://symfonycasts.com/screencast/messenger/test-in-memory#codeblock-83a3e94953

Or maybe I miss something?

Commits
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088da02 Update messenger.rst

Author: OskarStark

messenger.rst

@@ -1049,7 +1049,7 @@ override it in the ``test`` environment to use this transport:
         framework:
             messenger:
                 transports:
-                    async_priority_normal: 'in-memory:///'
+                    async_priority_normal: 'in-memory://'
 
     .. code-block:: xml
 
@@ -1065,7 +1065,7 @@ override it in the ``test`` environment to use this transport:
 
             <framework:config>
                 <framework:messenger>
-                    <framework:transport name="async_priority_normal" dsn="in-memory:///"/>
+                    <framework:transport name="async_priority_normal" dsn="in-memory://"/>
                 </framework:messenger>
             </framework:config>
         </container>
@@ -1077,7 +1077,7 @@ override it in the ``test`` environment to use this transport:
             'messenger' => [
                 'transports' => [
                     'async_priority_normal' => [
-                        'dsn' => 'in-memory:///',
+                        'dsn' => 'in-memory://',
                     ],
                 ],
             ],