Fix bad option from issue #22

copy/paste error?
Changes: update
v0.34

 - Fix if/elsif in gh command (GH#26) (thanks, @karenetheridge!)
Change phase for [Github::Update] from Releaser to AfterRelease

Strictly speaking, updating github doesn't constitute a release - it is just something that is done at release time, like tagging, pushing, etc.
gh.pm: GitHub::Update is now AfterRelease
Changes: update