Update mail_room to 0.8.0 to resolve #13357

Update mail_room to 0.8.0 to resolve #13357 (closed)

Which includes the fix from: https://github.com/tpitale/mail_room/pull/73

/cc @stanhu @jacobvosmaer-gitlab

Great, awesome @godfat! Hopefully this fixes the long-standing issues with IMAP.

Added ~149423 label

Milestone changed to %8.9

Status changed to merged

mentioned in commit 0909535e

Removed ~149423 label

Picked into 8-9-stable, will be in RC9.

mentioned in commit ba48ed86

mentioned in issue gitlab-com/infrastructure#89 (closed)