phase: clarify the message about movement on command changeset
The current message is a bit generic. Since we only print it for phase movement
on changeset already common before the pull, we add "local" to the message in
and attempt to clarify what changeset the phase movement affected.
{
"conduit_uri": "https://phab.mercurial-scm.org/api",
"repository.callsign": "HG",
"arc.land.onto.default": "@",
"base": "hg:.^"
}