Changes for version 0.21 - 2026-05-13

  • Exclude .github/ from CPAN distribution via MANIFEST.SKIP
  • Add CONTRIBUTING.md, SECURITY.md, and LICENSE file
  • Add provides map to META_MERGE in Makefile.PL
  • Update GitHub Actions to Node.js 24 compatible versions (checkout@v5, cache@v5, actions-setup-perl@v1.41.0)