Fix world age docs link, point to correct manual version (manual backport to 1.12)#60385

fingolfin merged 1 commit intobackports-release-1.12JuliaLang/julia:backports-release-1.12from

mh/fix-worldage-docs-link-1.12JuliaLang/julia:mh/fix-worldage-docs-link-1.12Copy head branch name to clipboard