auto-sub: Turn an unused parameter into _

Signed-off-by: Gergely Nagy <algernon@balabit.hu>
lgstool: Bump the logstore requirement to 0.2.0-SNAPSHOT

0.1.3 was dropped from the roadmap, lets not reference it anymore.

Signed-off-by: Gergely Nagy <algernon@balabit.hu>
logstore: Depend on blobbity 0.1.2-SNAPSHOT

0.1.2 will have a few things we will want to use later on, so
pre-emptively bump the requirement.

Signed-off-by: Gergely Nagy <algernon@balabit.hu>