feat(panettone): Send emails when issues are closed r/2429

Send notification emails to the same group of users who receive
notifications on issue comments when issues are marked as closed. This
also takes the opportunity to generalize issue notification emails a
bit, and lay the groundwork for (but not implement) explicit issue
subscriber lists.

Change-Id: Ie2572ed3ad0207d415b4c362438f772925e7a2c5
Reviewed-on: https://cl.tvl.fyi/c/depot/+/2807
Tested-by: BuildkiteCI
Reviewed-by: sterni <sternenseemann@systemli.org>
Reviewed-by: tazjin <mail@tazj.in>

0 files changed, 0 insertions, 0 deletions