[Perl/perl5] 273787: testuite.yml - add PERL_SAWAMPERSAND testing

[Yves Orton via perl5-changes]

  Branch: refs/heads/yves/test_sawampersand
  Home:   https://github.com/Perl/perl5
  Commit: 273787cb91ef0018db4618559a4871fd373408b9
      
https://github.com/Perl/perl5/commit/273787cb91ef0018db4618559a4871fd373408b9
  Author: Yves Orton <demer...@gmail.com>
  Date:   2023-07-27 (Thu, 27 Jul 2023)

  Changed paths:
    M .github/workflows/testsuite.yml

  Log Message:
  -----------
  testuite.yml - add PERL_SAWAMPERSAND testing