Deprecate ServerInfoAwareConnection#requiresQueryForServerVersion() as an implementation detail

UPGRADE.md

 # Upgrade to 2.11
 
+##`ServerInfoAwareConnection::requiresQueryForServerVersion()` is deprecated.
+
+The `ServerInfoAwareConnection::requiresQueryForServerVersion()` method has been deprecated as an implementation detail which is the same for almost all supported drivers.
+
 ## Statement constructors are marked internal
 
 The driver and wrapper statement objects can be only created by the corresponding connection objects.

lib/Doctrine/DBAL/Driver/ServerInfoAwareConnection.php

@@ -17,6 +17,8 @@ interface ServerInfoAwareConnection
     /**
      * Checks whether a query is required to retrieve the database server version.
      *
+     * @deprecated
+     *
      * @return bool True if a query is required to retrieve the database server version, false otherwise.
      */
     public function requiresQueryForServerVersion();