Fix email line-height in Outlook

On Outlook.com:

Fixes https://gitlab.com/gitlab-org/gitlab-ce/issues/19060.

@iamphill is this what we were after? I think it's relatively OK.

mentioned in issue #19060 (closed)

@smcgivern Looks good in the emails

But the new line messes up MRs

mentioned in issue #21010 (closed)

Added 1 commit:

• 3db37329 - Fix email line-height in Outlook

Added 96 commits:

• 3db37329...d1da2e81 - 95 commits from branch master
• 18f13e8b - Fix email line-height in Outlook

D'oh, thanks @iamphill! I added > to the containing table cell and that seems to fix it:

LGMT

Reassigned to @DouweM

Status changed to merged

mentioned in commit 027a4eff

Picked into 8-11-stable, will go into 8.11.0-rc5.

Removed ~149423 label

mentioned in commit ab5cc542