Add bin/oncall/email-deliveries script

[zachmargolis]

Why: Streamlines common oncall task of checking for email bounces

Example output:

> aws-vault exec prod-power -- ./bin/oncall/email-deliveries dd23dd99-4903-4ae0-99ff-70f909d6bf98 2128afdb-8d75-40cc-95ec-6cb062353448 362b7d1c-fff0-450a-8f28-face28bcf0c0

[ Querying logs ] ---=---=---=---=---=---=---=---=---=---=---=---=---=---=---=---=---=---=---=---=---=---=---=---=---=---=---=---=---=---=---= Time: 00:00:51
+--------------------------------------+-------------------------+--------------------------------------------------------------+----------------+
| user_id                              | timestamp               | message_id                                                   | events         |
+--------------------------------------+-------------------------+--------------------------------------------------------------+----------------+
| 362b7d1c-fff0-450a-8f28-face28bcf0c0 | 2023-06-28 22:47:54.381 | 01010189043119b5-4f4880b9-7cc7-48bd-929c-88d490621f1e-000000 | Send, Bounce   |
| 362b7d1c-fff0-450a-8f28-face28bcf0c0 | 2023-06-28 22:47:22.215 | 0101018904309cd1-52e87ec8-60a7-45ad-acf2-f50ed606dc65-000000 | Send, Bounce   |
| 362b7d1c-fff0-450a-8f28-face28bcf0c0 | 2023-06-28 22:46:48.396 | 0101018904301817-b56e94db-149e-4b14-aab6-a6b94000d21e-000000 | Send, Bounce   |
| dd23dd99-4903-4ae0-99ff-70f909d6bf98 | 2023-06-28 17:00:43.217 | 0101018902f33e15-4ea51412-a7ad-4ab8-aaff-9b9db9ebb1ae-000000 | Send, Delivery |
| dd23dd99-4903-4ae0-99ff-70f909d6bf98 | 2023-06-28 16:42:56.906 | 0101018902e2f8af-c7768a8b-20a8-43b7-a0ee-bea9ac61207c-000000 | Send, Delivery |
| 2128afdb-8d75-40cc-95ec-6cb062353448 | 2023-06-28 16:42:12.436 | 0101018902e24b07-c39bb395-1f0a-48de-8cea-a0ebd056c64c-000000 | Send, Delivery |
| 2128afdb-8d75-40cc-95ec-6cb062353448 | 2023-06-28 16:38:49.449 | 0101018902df32a5-787456ab-6269-4374-91ef-45fc201adf07-000000 | Send, Delivery |

I didn't add specs but I'm happy to if folks think this is worth landing! Update: Added them!