[Perl/perl5] fa307c: Update release_announcement_template.txt year for ...

[Matthew Horsfall (alh)]

  Branch: refs/heads/blead
  Home:   https://github.com/Perl/perl5
  Commit: fa307c587ee3c5fb68e7226903d108e6f84c1f71
      
https://github.com/Perl/perl5/commit/fa307c587ee3c5fb68e7226903d108e6f84c1f71
  Author: Matthew Horsfall <wolfs...@gmail.com>
  Date:   2021-09-20 (Mon, 20 Sep 2021)

  Changed paths:
    M Porting/release_announcement_template.txt

  Log Message:
  -----------
  Update release_announcement_template.txt year for the next poor soul