deps: bump pulldown-cmark from 0.12.2 to 0.13.4#2

dependabot[bot] wants to merge 1 commit into

main2ro/OpenExhibit:mainfrom

dependabot/cargo/pulldown-cmark-0.13.42ro/OpenExhibit:dependabot/cargo/pulldown-cmark-0.13.4Copy head branch name to clipboard