That's because as of V 2.21 I stopped shipping META files (see Changes), so that that patch was lost.
I guess the solution is to patch the upstream code which generates the META files.
Thu Apr 05 19:11:50 2018The RT System itself - Status changed from 'new' to 'open'
Thu Apr 05 19:11:51 2018RSAVAGE [...] cpan.org - Status changed from 'open' to 'rejected'