[Perl/perl5] 6d07f9: Tick 5.31.11 in another place and correct its rele...

[Steve Hay]

  Branch: refs/heads/blead
  Home:   https://github.com/Perl/perl5
  Commit: 6d07f99dbe90145c4a33f49168ee26b294f94748
      
https://github.com/Perl/perl5/commit/6d07f99dbe90145c4a33f49168ee26b294f94748
  Author: Steve Hay <steve.m....@googlemail.com>
  Date:   2020-05-14 (Thu, 14 May 2020)

  Changed paths:
    M Porting/release_schedule.pod

  Log Message:
  -----------
  Tick 5.31.11 in another place and correct its release date