rust-hg-cypython: upgrade dependencies
This upgrades all dependencies to their latest version. This is routinely done
to keep-up.
Differential Revision: https://phab.mercurial-scm.org/D12359
{
"conduit_uri": "https://phab.mercurial-scm.org/api",
"phabricator.uri": "https://phab.mercurial-scm.org/",
"repository.callsign": "HG",
"arc.land.onto.default": "@",
"base": "hg:.^"
}