ab/commit-plug-leaks (was: What's cooking in git.git (Mar 2022, #07; Wed, 30))

> There are a handful topics that are marked to be expecting updates,
> some of them more than a month old.  Do authors lost interest?  I'd
> look at them myself to see if they are interesting enough (in which
> case I may try to finish the last mile for them) when I find time,
> but no promises.  Help is appreciated.
> [...]
> * ab/commit-plug-leaks (2022-02-16) 2 commits
>  - commit: use strbuf_release() instead of UNLEAK()
>  - commit: fix "author_ident" leak
>
>  Leakfixes in the top-level called-once function.
>
>  Expecting a reroll.
>  I think UNLEAK->strbuf_release() is a regression.
>  source: <cover-0.2-00000000000-20220216T081844Z-avarab@gmail.com>