[Perl/perl5] 18119b: ExtUtils-Install: sync with cpan version 2.16

[Chris Williams]

  Branch: refs/heads/blead
  Home:   https://github.com/Perl/perl5
  Commit: 18119bb8f555958950b9b54693552ba3533a8600
      
https://github.com/Perl/perl5/commit/18119bb8f555958950b9b54693552ba3533a8600
  Author: Chris 'BinGOs' Williams <ch...@bingosnet.co.uk>
  Date:   2020-09-02 (Wed, 02 Sep 2020)

  Changed paths:
    M Porting/Maintainers.pl
    M cpan/ExtUtils-Install/lib/ExtUtils/Install.pm
    M cpan/ExtUtils-Install/lib/ExtUtils/Installed.pm
    M cpan/ExtUtils-Install/lib/ExtUtils/Packlist.pm
    M cpan/ExtUtils-Install/t/Installed.t

  Log Message:
  -----------
  ExtUtils-Install: sync with cpan version 2.16

Committer updated VERSION in initial POD section in Install.pm.