Changed — sync gh-stack from https://github.com/github/gh-stack at refs/tags/v0.3.0.
Added — resources/THIRD-PARTY-NOTICES.md records the upstream license, copyright notice
and license text of the bundled gh-cli, gh-stack, github-actions-docs and github-issues skills; keep it when you redistribute those skills
(#582).
Changed — sync github-issues from https://github.com/github/awesome-copilot at refs/heads/main.
Changed — sync gh-stack from https://github.com/github/gh-stack at refs/tags/v0.2.0.