.arcconfig

debugbundle: do not display detailed part data in --quiet mode

This changeset makes `hg debugbundle` respect --quiet and only display data
about part headers.

{
    "conduit_uri": "https://phab.mercurial-scm.org/api",
    "repository.callsign": "HG",
    "arc.land.onto.default": "@",
    "base": "hg:.^"
}