[FrameworkBundle] Fix missing unused known tag

Author: chalasr

DependencyInjection/Compiler/UnusedTagsPass.php

@@ -76,6 +76,7 @@ class UnusedTagsPass implements CompilerPassInterface
         'routing.route_loader',
         'security.expression_language_provider',
         'security.remember_me_aware',
+        'security.remember_me_handler',
         'security.authenticator.login_linker',
         'security.voter',
         'serializer.encoder',