fix nits in run.pm
"use base ..." -> "use parent ..."
MakeMaker: delay loading of Data::Dumper
ManifestSkip: delay loading of ExtUtils::Manifest
use github issues
v4.300030

          listdeps --versions now sorts properly (thanks, Karen Etheridge!)

          delay loading more libraries until needed (thanks, Olivier Mengué!)

          excluded filenames in GatherDir were sometimes matched too fuzzily
          (thanks, Mike Doherty)