Bump peaceiris/actions-gh-pages from 3 to 4#3

kojix2 merged 1 commit intomainred-data-tools/gr-plot:mainfrom

dependabot/github_actions/peaceiris/actions-gh-pages-4red-data-tools/gr-plot:dependabot/github_actions/peaceiris/actions-gh-pages-4Copy head branch name to clipboard