[dhermes]

Done at commit 1a37fce.

Fixes #3740.

[dhermes]

Done via:

$ git worktree add ../temp
$ cd ../temp
$ nox -s docs
$ mv docs/_build/html/ ..
$ git clean --force -x -d
$ git branch gh-pages-manual upstream/gh-pages
$ git checkout gh-pages-manual
$ rm -fr latest/
$ mv ../html/ latest/
$ git add latest/
$ git commit
$ git push upstream gh-pages-manual
$ cd -
$ rm -fr ../temp
$ git branch -D temp
$ git worktree prune

[dhermes]

I am merging this (without LGTM) as there is no code written by a human, so it's just a matter of process while the broken build gets sorted out.