[Perl/perl5] 8b2784: Release schedule for 5.39 dev cycle

[James E Keenan via perl5-changes]

  Branch: refs/heads/jkeenan/5-39-release-schedule-20230703
  Home:   https://github.com/Perl/perl5
  Commit: 8b27848b5339f67aef6b50a22edb19285d919071
      
https://github.com/Perl/perl5/commit/8b27848b5339f67aef6b50a22edb19285d919071
  Author: James E Keenan <jkee...@cpan.org>
  Date:   2023-07-10 (Mon, 10 Jul 2023)

  Changed paths:
    M Porting/release_schedule.pod

  Log Message:
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  Release schedule for 5.39 dev cycle

Skeleton only; no assignments yet.