[Perl/perl5] 4e6e60: `release_managers_guide.pod`: Capitalize section h...

[Elvin Aslanov via perl5-changes]

  Branch: refs/heads/blead
  Home:   https://github.com/Perl/perl5
  Commit: 4e6e60eea000b7c8dd2f1cad0c46f19efa04b559
      
https://github.com/Perl/perl5/commit/4e6e60eea000b7c8dd2f1cad0c46f19efa04b559
  Author: Elvin Aslanov <rwp.prim...@gmail.com>
  Date:   2023-09-11 (Mon, 11 Sep 2023)

  Changed paths:
    M Porting/release_managers_guide.pod

  Log Message:
  -----------
  `release_managers_guide.pod`: Capitalize section headings

=head3 specifically