Bumped Portal to 2.3.0 to include comment notification settings
Bumped Portal to 2.3.0 to include comment notification settings

refs https://github.com/TryGhost/Team/issues/1664

- This doesn't require a feature flag, as comments are disabled by default + UI is hidden if comments are disabled

TryGhost/Ghost,TryGhost/Ghost,TryGhost/Ghost