search.cpan.org has now been EOL’d and turned off, with all URLs redirecting to
metacpan.org [1]. While the redirects are likely to the maintained for a long
time, we might as well update to avoid the risk of stale redirects. Attached
patch changes the few links we have to instead use metacpan.
cheers ./daniel
[1] https://www.perl.com/article/saying-goodbye-to-search-cpan-org/
