Merge pull request #464 from creative-commoners/pulls/2/deprecate-gra…

…phql2

FIX Include deprecation import

src/GraphQL/Operations/UnpublishCreator.php

@@ -3,6 +3,7 @@
 namespace SilverStripe\Versioned\GraphQL\Operations;
 
 use SilverStripe\GraphQL\Schema\Interfaces\OperationCreator;
+use SilverStripe\Dev\Deprecation;
 
 // GraphQL dependency is optional in versioned,
 // and the following implementation relies on existence of this class (in GraphQL v4)