[Perl/perl5] 4b5c17: bump $builtin::VERSION to 0.012

[Tony Cook via perl5-changes]

  Branch: refs/heads/blead
  Home:   https://github.com/Perl/perl5
  Commit: 4b5c1775cec6d4fe978b19274b2c24098bb9f151
      
https://github.com/Perl/perl5/commit/4b5c1775cec6d4fe978b19274b2c24098bb9f151
  Author: Tony Cook <t...@develop-help.com>
  Date:   2023-10-26 (Thu, 26 Oct 2023)

  Changed paths:
    M lib/builtin.pm
    M pod/perldelta.pod

  Log Message:
  -----------
  bump $builtin::VERSION to 0.012