journal: show that we do not track deletion
This was an oversight for the initial implementation.
contrib: upgrade merge-lists from clap v3 to clap v4
Mostly to avoid having clap v3 in our dependencies, due to
https://osv.dev/vulnerability/GHSA-g98v-hv3f-hcfr (even though that seems pretty
harmless).
compat: use cp -R in `test-revlog-delta-find.t` (
issue6835)
This follow POSIX and make things compatible with NetBSD.