We had forgotten to update `configure.ps1` with functions to download and install rebar3 and erlfmt like we do in `configure`. Noticed in https://github.com/apache/couchdb/issues/3871#issuecomment-991191596
We had forgotten to update
configure.ps1with functions to download and install rebar3 and erlfmt like we do inconfigure.Noticed in #3871 (comment)