#8587 build last-commit docs with `git last-modified`
New in Git 2.52
https://git-scm.com/docs/git-last-modified
Discussed more here: https://github.blog/open-source/git/highlights-from-git-2-52/
New in Git 2.52
https://git-scm.com/docs/git-last-modified
Discussed more here: https://github.blog/open-source/git/highlights-from-git-2-52/