Bump peaceiris/actions-mdbook from 1 to 2#14

dependabot[bot] wants to merge 1 commit intomainrsadsb/rsadsb.github.io:mainfrom

dependabot/github_actions/peaceiris/actions-mdbook-2rsadsb/rsadsb.github.io:dependabot/github_actions/peaceiris/actions-mdbook-2Copy head branch name to clipboard