Fix deprecation compatibility with Symfony 4.*

Signature in Symfony 4.*: `Alias::setDeprecated($status = true, $template = null)`

Author: andrew-demb

src/DependencyInjection/DeprecatedAliasesCompilerPass.php

@@ -45,6 +45,6 @@ private function getDeprecationMsg(string $message, string $version): array
             ];
         }
 
-        return [$message];
+        return [true, $message];
     }
 }