[Perl/perl5] 5eed9b: .github - switch to v3 actions

[Yves Orton via perl5-changes]

  Branch: refs/heads/yves/github_v3_actions
  Home:   https://github.com/Perl/perl5
  Commit: 5eed9b59a5d1cbc966e7745e7ad7468962bdf223
      
https://github.com/Perl/perl5/commit/5eed9b59a5d1cbc966e7745e7ad7468962bdf223
  Author: Yves Orton <demer...@gmail.com>
  Date:   2022-12-09 (Fri, 09 Dec 2022)

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

  Log Message:
  -----------
  .github - switch to v3 actions